Home / 1,429,217.46-1,972,323.45-784,679.16

Finding the Fourth Proportional to 1,429,217.46, 1,972,323.45 and 784,679.16

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Solution

The fourth proportional to 1,429,217.46, 1,972,323.45 and 784,679.16 is: 1,082,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,217.46 : 1,972,323.45 = 784,679.16 : x
  2. Step 2: Convert to fraction form
    1,429,217.46/1,972,323.45 = 784,679.16/x
  3. Step 3: Cross multiply
    1,429,217.46x = 1,972,323.45 × 784,679.16
  4. Step 4: Simplify right side
    1,429,217.46x = 1,547,641,107,994.30
  5. Step 5: Solve for x
    x = 1,547,641,107,994.30/1,429,217.46
  6. Step 6: Final answer
    x = 1,082,859.08

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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.