Home / 1,510,487.80-2,265,731.70-838,641.40

Finding the Fourth Proportional to 1,510,487.80, 2,265,731.70 and 838,641.40

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Solution

The fourth proportional to 1,510,487.80, 2,265,731.70 and 838,641.40 is: 1,257,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,487.80 : 2,265,731.70 = 838,641.40 : x
  2. Step 2: Convert to fraction form
    1,510,487.80/2,265,731.70 = 838,641.40/x
  3. Step 3: Cross multiply
    1,510,487.80x = 2,265,731.70 × 838,641.40
  4. Step 4: Simplify right side
    1,510,487.80x = 1,900,136,404,912.38
  5. Step 5: Solve for x
    x = 1,900,136,404,912.38/1,510,487.80
  6. Step 6: Final answer
    x = 1,257,962.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.