Home / 1,018,258.59-1,527,387.18-260,072.88

Finding the Fourth Proportional to 1,018,258.59, 1,527,387.18 and 260,072.88

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Solution

The fourth proportional to 1,018,258.59, 1,527,387.18 and 260,072.88 is: 390,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,258.59 : 1,527,387.18 = 260,072.88 : x
  2. Step 2: Convert to fraction form
    1,018,258.59/1,527,387.18 = 260,072.88/x
  3. Step 3: Cross multiply
    1,018,258.59x = 1,527,387.18 × 260,072.88
  4. Step 4: Simplify right side
    1,018,258.59x = 397,231,977,537.61
  5. Step 5: Solve for x
    x = 397,231,977,537.61/1,018,258.59
  6. Step 6: Final answer
    x = 390,109.13

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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.