Home / 1,555,456.40-2,332,896.60-433,293.20

Finding the Fourth Proportional to 1,555,456.40, 2,332,896.60 and 433,293.20

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Solution

The fourth proportional to 1,555,456.40, 2,332,896.60 and 433,293.20 is: 649,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,456.40 : 2,332,896.60 = 433,293.20 : x
  2. Step 2: Convert to fraction form
    1,555,456.40/2,332,896.60 = 433,293.20/x
  3. Step 3: Cross multiply
    1,555,456.40x = 2,332,896.60 × 433,293.20
  4. Step 4: Simplify right side
    1,555,456.40x = 1,010,828,233,083.12
  5. Step 5: Solve for x
    x = 1,010,828,233,083.12/1,555,456.40
  6. Step 6: Final answer
    x = 649,859.57

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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.