Home / 1,569,330.28-2,165,896.38-916,170.52

Finding the Fourth Proportional to 1,569,330.28, 2,165,896.38 and 916,170.52

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Solution

The fourth proportional to 1,569,330.28, 2,165,896.38 and 916,170.52 is: 1,264,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,330.28 : 2,165,896.38 = 916,170.52 : x
  2. Step 2: Convert to fraction form
    1,569,330.28/2,165,896.38 = 916,170.52/x
  3. Step 3: Cross multiply
    1,569,330.28x = 2,165,896.38 × 916,170.52
  4. Step 4: Simplify right side
    1,569,330.28x = 1,984,330,412,730.72
  5. Step 5: Solve for x
    x = 1,984,330,412,730.72/1,569,330.28
  6. Step 6: Final answer
    x = 1,264,444.10

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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.