Home / 1,332,057.20-1,998,085.80-906,904.40

Finding the Fourth Proportional to 1,332,057.20, 1,998,085.80 and 906,904.40

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Solution

The fourth proportional to 1,332,057.20, 1,998,085.80 and 906,904.40 is: 1,360,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,057.20 : 1,998,085.80 = 906,904.40 : x
  2. Step 2: Convert to fraction form
    1,332,057.20/1,998,085.80 = 906,904.40/x
  3. Step 3: Cross multiply
    1,332,057.20x = 1,998,085.80 × 906,904.40
  4. Step 4: Simplify right side
    1,332,057.20x = 1,812,072,803,597.52
  5. Step 5: Solve for x
    x = 1,812,072,803,597.52/1,332,057.20
  6. Step 6: Final answer
    x = 1,360,356.60

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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.