Home / 1,087,244.70-1,630,867.05-709,331.10

Finding the Fourth Proportional to 1,087,244.70, 1,630,867.05 and 709,331.10

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Solution

The fourth proportional to 1,087,244.70, 1,630,867.05 and 709,331.10 is: 1,063,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,244.70 : 1,630,867.05 = 709,331.10 : x
  2. Step 2: Convert to fraction form
    1,087,244.70/1,630,867.05 = 709,331.10/x
  3. Step 3: Cross multiply
    1,087,244.70x = 1,630,867.05 × 709,331.10
  4. Step 4: Simplify right side
    1,087,244.70x = 1,156,824,718,530.25
  5. Step 5: Solve for x
    x = 1,156,824,718,530.25/1,087,244.70
  6. Step 6: Final answer
    x = 1,063,996.65

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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.