Home / 1,011,519.62-1,516,257.05-435,518.61

Finding the Fourth Proportional to 1,011,519.62, 1,516,257.05 and 435,518.61

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Solution

The fourth proportional to 1,011,519.62, 1,516,257.05 and 435,518.61 is: 652,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,519.62 : 1,516,257.05 = 435,518.61 : x
  2. Step 2: Convert to fraction form
    1,011,519.62/1,516,257.05 = 435,518.61/x
  3. Step 3: Cross multiply
    1,011,519.62x = 1,516,257.05 × 435,518.61
  4. Step 4: Simplify right side
    1,011,519.62x = 660,358,160,641.11
  5. Step 5: Solve for x
    x = 660,358,160,641.11/1,011,519.62
  6. Step 6: Final answer
    x = 652,837.72

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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.