Home / 1,402,134.30-2,103,555.38-391,255.38

Finding the Fourth Proportional to 1,402,134.30, 2,103,555.38 and 391,255.38

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Solution

The fourth proportional to 1,402,134.30, 2,103,555.38 and 391,255.38 is: 586,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,134.30 : 2,103,555.38 = 391,255.38 : x
  2. Step 2: Convert to fraction form
    1,402,134.30/2,103,555.38 = 391,255.38/x
  3. Step 3: Cross multiply
    1,402,134.30x = 2,103,555.38 × 391,255.38
  4. Step 4: Simplify right side
    1,402,134.30x = 823,027,357,596.67
  5. Step 5: Solve for x
    x = 823,027,357,596.67/1,402,134.30
  6. Step 6: Final answer
    x = 586,981.83

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1.5x scale

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.