Home / 1,429,177.16-1,972,147.30-784,575.32

Finding the Fourth Proportional to 1,429,177.16, 1,972,147.30 and 784,575.32

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Solution

The fourth proportional to 1,429,177.16, 1,972,147.30 and 784,575.32 is: 1,082,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,177.16 : 1,972,147.30 = 784,575.32 : x
  2. Step 2: Convert to fraction form
    1,429,177.16/1,972,147.30 = 784,575.32/x
  3. Step 3: Cross multiply
    1,429,177.16x = 1,972,147.30 × 784,575.32
  4. Step 4: Simplify right side
    1,429,177.16x = 1,547,298,087,162.46
  5. Step 5: Solve for x
    x = 1,547,298,087,162.46/1,429,177.16
  6. Step 6: Final answer
    x = 1,082,649.60

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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.