Home / 1,688,737.10-2,330,439.71-914,354.61

Finding the Fourth Proportional to 1,688,737.10, 2,330,439.71 and 914,354.61

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Solution

The fourth proportional to 1,688,737.10, 2,330,439.71 and 914,354.61 is: 1,261,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,737.10 : 2,330,439.71 = 914,354.61 : x
  2. Step 2: Convert to fraction form
    1,688,737.10/2,330,439.71 = 914,354.61/x
  3. Step 3: Cross multiply
    1,688,737.10x = 2,330,439.71 × 914,354.61
  4. Step 4: Simplify right side
    1,688,737.10x = 2,130,848,287,593.79
  5. Step 5: Solve for x
    x = 2,130,848,287,593.79/1,688,737.10
  6. Step 6: Final answer
    x = 1,261,799.89

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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.