Home / 999,574.27-1,377,977.67-712,596.13

Finding the Fourth Proportional to 999,574.27, 1,377,977.67 and 712,596.13

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Solution

The fourth proportional to 999,574.27, 1,377,977.67 and 712,596.13 is: 982,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,574.27 : 1,377,977.67 = 712,596.13 : x
  2. Step 2: Convert to fraction form
    999,574.27/1,377,977.67 = 712,596.13/x
  3. Step 3: Cross multiply
    999,574.27x = 1,377,977.67 × 712,596.13
  4. Step 4: Simplify right side
    999,574.27x = 981,941,554,868.42
  5. Step 5: Solve for x
    x = 981,941,554,868.42/999,574.27
  6. Step 6: Final answer
    x = 982,359.77

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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.