Home / 1,039,898.07-1,559,842.92-329,981.47

Finding the Fourth Proportional to 1,039,898.07, 1,559,842.92 and 329,981.47

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Solution

The fourth proportional to 1,039,898.07, 1,559,842.92 and 329,981.47 is: 494,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,898.07 : 1,559,842.92 = 329,981.47 : x
  2. Step 2: Convert to fraction form
    1,039,898.07/1,559,842.92 = 329,981.47/x
  3. Step 3: Cross multiply
    1,039,898.07x = 1,559,842.92 × 329,981.47
  4. Step 4: Simplify right side
    1,039,898.07x = 514,719,255,811.09
  5. Step 5: Solve for x
    x = 514,719,255,811.09/1,039,898.07
  6. Step 6: Final answer
    x = 494,970.87

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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.