Home / 1,053,677.80-1,580,516.70-787,957.30

Finding the Fourth Proportional to 1,053,677.80, 1,580,516.70 and 787,957.30

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Solution

The fourth proportional to 1,053,677.80, 1,580,516.70 and 787,957.30 is: 1,181,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,677.80 : 1,580,516.70 = 787,957.30 : x
  2. Step 2: Convert to fraction form
    1,053,677.80/1,580,516.70 = 787,957.30/x
  3. Step 3: Cross multiply
    1,053,677.80x = 1,580,516.70 × 787,957.30
  4. Step 4: Simplify right side
    1,053,677.80x = 1,245,379,671,536.91
  5. Step 5: Solve for x
    x = 1,245,379,671,536.91/1,053,677.80
  6. Step 6: Final answer
    x = 1,181,935.95

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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.