Home / 1,429,218.99-1,972,325.52-784,680.66

Finding the Fourth Proportional to 1,429,218.99, 1,972,325.52 and 784,680.66

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Solution

The fourth proportional to 1,429,218.99, 1,972,325.52 and 784,680.66 is: 1,082,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,218.99 : 1,972,325.52 = 784,680.66 : x
  2. Step 2: Convert to fraction form
    1,429,218.99/1,972,325.52 = 784,680.66/x
  3. Step 3: Cross multiply
    1,429,218.99x = 1,972,325.52 × 784,680.66
  4. Step 4: Simplify right side
    1,429,218.99x = 1,547,645,690,768.44
  5. Step 5: Solve for x
    x = 1,547,645,690,768.44/1,429,218.99
  6. Step 6: Final answer
    x = 1,082,861.13

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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.