Home / 1,554,430.28-2,331,728.70-489,555.32

Finding the Fourth Proportional to 1,554,430.28, 2,331,728.70 and 489,555.32

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Solution

The fourth proportional to 1,554,430.28, 2,331,728.70 and 489,555.32 is: 734,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,430.28 : 2,331,728.70 = 489,555.32 : x
  2. Step 2: Convert to fraction form
    1,554,430.28/2,331,728.70 = 489,555.32/x
  3. Step 3: Cross multiply
    1,554,430.28x = 2,331,728.70 × 489,555.32
  4. Step 4: Simplify right side
    1,554,430.28x = 1,141,510,189,881.68
  5. Step 5: Solve for x
    x = 1,141,510,189,881.68/1,554,430.28
  6. Step 6: Final answer
    x = 734,359.21

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Double scale
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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.