Home / 1,429,429.38-1,972,598.85-784,843.89

Finding the Fourth Proportional to 1,429,429.38, 1,972,598.85 and 784,843.89

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Solution

The fourth proportional to 1,429,429.38, 1,972,598.85 and 784,843.89 is: 1,083,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,429.38 : 1,972,598.85 = 784,843.89 : x
  2. Step 2: Convert to fraction form
    1,429,429.38/1,972,598.85 = 784,843.89/x
  3. Step 3: Cross multiply
    1,429,429.38x = 1,972,598.85 × 784,843.89
  4. Step 4: Simplify right side
    1,429,429.38x = 1,548,182,154,843.53
  5. Step 5: Solve for x
    x = 1,548,182,154,843.53/1,429,429.38
  6. Step 6: Final answer
    x = 1,083,077.05

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1.5x scale

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.