Home / 1,554,220.20-2,331,461.46-432,289.20

Finding the Fourth Proportional to 1,554,220.20, 2,331,461.46 and 432,289.20

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Solution

The fourth proportional to 1,554,220.20, 2,331,461.46 and 432,289.20 is: 648,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,220.20 : 2,331,461.46 = 432,289.20 : x
  2. Step 2: Convert to fraction form
    1,554,220.20/2,331,461.46 = 432,289.20/x
  3. Step 3: Cross multiply
    1,554,220.20x = 2,331,461.46 × 432,289.20
  4. Step 4: Simplify right side
    1,554,220.20x = 1,007,865,609,374.23
  5. Step 5: Solve for x
    x = 1,007,865,609,374.23/1,554,220.20
  6. Step 6: Final answer
    x = 648,470.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.