Home / 1,087,429.20-1,500,662.52-634,632.72

Finding the Fourth Proportional to 1,087,429.20, 1,500,662.52 and 634,632.72

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Solution

The fourth proportional to 1,087,429.20, 1,500,662.52 and 634,632.72 is: 875,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,429.20 : 1,500,662.52 = 634,632.72 : x
  2. Step 2: Convert to fraction form
    1,087,429.20/1,500,662.52 = 634,632.72/x
  3. Step 3: Cross multiply
    1,087,429.20x = 1,500,662.52 × 634,632.72
  4. Step 4: Simplify right side
    1,087,429.20x = 952,369,536,869.65
  5. Step 5: Solve for x
    x = 952,369,536,869.65/1,087,429.20
  6. Step 6: Final answer
    x = 875,799.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.