Home / 1,238,320.48-1,857,923.18-752,990.05

Finding the Fourth Proportional to 1,238,320.48, 1,857,923.18 and 752,990.05

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Solution

The fourth proportional to 1,238,320.48, 1,857,923.18 and 752,990.05 is: 1,129,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,320.48 : 1,857,923.18 = 752,990.05 : x
  2. Step 2: Convert to fraction form
    1,238,320.48/1,857,923.18 = 752,990.05/x
  3. Step 3: Cross multiply
    1,238,320.48x = 1,857,923.18 × 752,990.05
  4. Step 4: Simplify right side
    1,238,320.48x = 1,398,997,671,139.38
  5. Step 5: Solve for x
    x = 1,398,997,671,139.38/1,238,320.48
  6. Step 6: Final answer
    x = 1,129,754.12

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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.