Home / 1,234,555.70-1,703,358.32-847,489.50

Finding the Fourth Proportional to 1,234,555.70, 1,703,358.32 and 847,489.50

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Solution

The fourth proportional to 1,234,555.70, 1,703,358.32 and 847,489.50 is: 1,169,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,555.70 : 1,703,358.32 = 847,489.50 : x
  2. Step 2: Convert to fraction form
    1,234,555.70/1,703,358.32 = 847,489.50/x
  3. Step 3: Cross multiply
    1,234,555.70x = 1,703,358.32 × 847,489.50
  4. Step 4: Simplify right side
    1,234,555.70x = 1,443,578,286,700.19
  5. Step 5: Solve for x
    x = 1,443,578,286,700.19/1,234,555.70
  6. Step 6: Final answer
    x = 1,169,309.97

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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.