Home / 1,564,012.71-2,156,498.66-1,253,667.17

Finding the Fourth Proportional to 1,564,012.71, 2,156,498.66 and 1,253,667.17

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Solution

The fourth proportional to 1,564,012.71, 2,156,498.66 and 1,253,667.17 is: 1,728,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,012.71 : 2,156,498.66 = 1,253,667.17 : x
  2. Step 2: Convert to fraction form
    1,564,012.71/2,156,498.66 = 1,253,667.17/x
  3. Step 3: Cross multiply
    1,564,012.71x = 2,156,498.66 × 1,253,667.17
  4. Step 4: Simplify right side
    1,564,012.71x = 2,703,531,564,542.67
  5. Step 5: Solve for x
    x = 2,703,531,564,542.67/1,564,012.71
  6. Step 6: Final answer
    x = 1,728,586.70

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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.