Home / 1,007,126.67-1,510,740.20-287,575.10

Finding the Fourth Proportional to 1,007,126.67, 1,510,740.20 and 287,575.10

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Solution

The fourth proportional to 1,007,126.67, 1,510,740.20 and 287,575.10 is: 431,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,126.67 : 1,510,740.20 = 287,575.10 : x
  2. Step 2: Convert to fraction form
    1,007,126.67/1,510,740.20 = 287,575.10/x
  3. Step 3: Cross multiply
    1,007,126.67x = 1,510,740.20 × 287,575.10
  4. Step 4: Simplify right side
    1,007,126.67x = 434,451,257,254.26
  5. Step 5: Solve for x
    x = 434,451,257,254.26/1,007,126.67
  6. Step 6: Final answer
    x = 431,376.98

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1.5x scale

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.