Home / 1,554,271.80-2,331,407.70-432,340.80

Finding the Fourth Proportional to 1,554,271.80, 2,331,407.70 and 432,340.80

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Solution

The fourth proportional to 1,554,271.80, 2,331,407.70 and 432,340.80 is: 648,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,271.80 : 2,331,407.70 = 432,340.80 : x
  2. Step 2: Convert to fraction form
    1,554,271.80/2,331,407.70 = 432,340.80/x
  3. Step 3: Cross multiply
    1,554,271.80x = 2,331,407.70 × 432,340.80
  4. Step 4: Simplify right side
    1,554,271.80x = 1,007,962,670,144.16
  5. Step 5: Solve for x
    x = 1,007,962,670,144.16/1,554,271.80
  6. Step 6: Final answer
    x = 648,511.20

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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.