Home / 1,690,360.64-2,332,693.17-916,012.96

Finding the Fourth Proportional to 1,690,360.64, 2,332,693.17 and 916,012.96

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Solution

The fourth proportional to 1,690,360.64, 2,332,693.17 and 916,012.96 is: 1,264,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,360.64 : 2,332,693.17 = 916,012.96 : x
  2. Step 2: Convert to fraction form
    1,690,360.64/2,332,693.17 = 916,012.96/x
  3. Step 3: Cross multiply
    1,690,360.64x = 2,332,693.17 × 916,012.96
  4. Step 4: Simplify right side
    1,690,360.64x = 2,136,777,175,423.48
  5. Step 5: Solve for x
    x = 2,136,777,175,423.48/1,690,360.64
  6. Step 6: Final answer
    x = 1,264,095.44

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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.