Home / 1,554,287.80-2,331,431.70-432,356.80

Finding the Fourth Proportional to 1,554,287.80, 2,331,431.70 and 432,356.80

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Solution

The fourth proportional to 1,554,287.80, 2,331,431.70 and 432,356.80 is: 648,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,287.80 : 2,331,431.70 = 432,356.80 : x
  2. Step 2: Convert to fraction form
    1,554,287.80/2,331,431.70 = 432,356.80/x
  3. Step 3: Cross multiply
    1,554,287.80x = 2,331,431.70 × 432,356.80
  4. Step 4: Simplify right side
    1,554,287.80x = 1,008,010,349,230.56
  5. Step 5: Solve for x
    x = 1,008,010,349,230.56/1,554,287.80
  6. Step 6: Final answer
    x = 648,535.20

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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.