Home / 1,316,446.29-1,816,695.90-712,834.29

Finding the Fourth Proportional to 1,316,446.29, 1,816,695.90 and 712,834.29

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Solution

The fourth proportional to 1,316,446.29, 1,816,695.90 and 712,834.29 is: 983,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,446.29 : 1,816,695.90 = 712,834.29 : x
  2. Step 2: Convert to fraction form
    1,316,446.29/1,816,695.90 = 712,834.29/x
  3. Step 3: Cross multiply
    1,316,446.29x = 1,816,695.90 × 712,834.29
  4. Step 4: Simplify right side
    1,316,446.29x = 1,295,003,132,022.41
  5. Step 5: Solve for x
    x = 1,295,003,132,022.41/1,316,446.29
  6. Step 6: Final answer
    x = 983,711.33

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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.