Home / 1,391,633.30-2,087,449.95-683,045.30

Finding the Fourth Proportional to 1,391,633.30, 2,087,449.95 and 683,045.30

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Solution

The fourth proportional to 1,391,633.30, 2,087,449.95 and 683,045.30 is: 1,024,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,633.30 : 2,087,449.95 = 683,045.30 : x
  2. Step 2: Convert to fraction form
    1,391,633.30/2,087,449.95 = 683,045.30/x
  3. Step 3: Cross multiply
    1,391,633.30x = 2,087,449.95 × 683,045.30
  4. Step 4: Simplify right side
    1,391,633.30x = 1,425,822,877,332.74
  5. Step 5: Solve for x
    x = 1,425,822,877,332.74/1,391,633.30
  6. Step 6: Final answer
    x = 1,024,567.95

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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.