Home / 1,500,970.28-2,071,300.61-838,687.43

Finding the Fourth Proportional to 1,500,970.28, 2,071,300.61 and 838,687.43

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Solution

The fourth proportional to 1,500,970.28, 2,071,300.61 and 838,687.43 is: 1,157,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,970.28 : 2,071,300.61 = 838,687.43 : x
  2. Step 2: Convert to fraction form
    1,500,970.28/2,071,300.61 = 838,687.43/x
  3. Step 3: Cross multiply
    1,500,970.28x = 2,071,300.61 × 838,687.43
  4. Step 4: Simplify right side
    1,500,970.28x = 1,737,173,770,808.39
  5. Step 5: Solve for x
    x = 1,737,173,770,808.39/1,500,970.28
  6. Step 6: Final answer
    x = 1,157,367.20

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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.