Home / 1,553,658.92-2,144,089.86-874,620.20

Finding the Fourth Proportional to 1,553,658.92, 2,144,089.86 and 874,620.20

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Solution

The fourth proportional to 1,553,658.92, 2,144,089.86 and 874,620.20 is: 1,206,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,658.92 : 2,144,089.86 = 874,620.20 : x
  2. Step 2: Convert to fraction form
    1,553,658.92/2,144,089.86 = 874,620.20/x
  3. Step 3: Cross multiply
    1,553,658.92x = 2,144,089.86 × 874,620.20
  4. Step 4: Simplify right side
    1,553,658.92x = 1,875,264,302,171.17
  5. Step 5: Solve for x
    x = 1,875,264,302,171.17/1,553,658.92
  6. Step 6: Final answer
    x = 1,206,998.70

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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.