Home / 1,457,680.92-2,011,602.72-813,084.48

Finding the Fourth Proportional to 1,457,680.92, 2,011,602.72 and 813,084.48

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Solution

The fourth proportional to 1,457,680.92, 2,011,602.72 and 813,084.48 is: 1,122,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,680.92 : 2,011,602.72 = 813,084.48 : x
  2. Step 2: Convert to fraction form
    1,457,680.92/2,011,602.72 = 813,084.48/x
  3. Step 3: Cross multiply
    1,457,680.92x = 2,011,602.72 × 813,084.48
  4. Step 4: Simplify right side
    1,457,680.92x = 1,635,602,951,557.79
  5. Step 5: Solve for x
    x = 1,635,602,951,557.79/1,457,680.92
  6. Step 6: Final answer
    x = 1,122,058.28

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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.