Home / 1,146,357.20-1,718,442.30-426,506.15

Finding the Fourth Proportional to 1,146,357.20, 1,718,442.30 and 426,506.15

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Solution

The fourth proportional to 1,146,357.20, 1,718,442.30 and 426,506.15 is: 639,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,357.20 : 1,718,442.30 = 426,506.15 : x
  2. Step 2: Convert to fraction form
    1,146,357.20/1,718,442.30 = 426,506.15/x
  3. Step 3: Cross multiply
    1,146,357.20x = 1,718,442.30 × 426,506.15
  4. Step 4: Simplify right side
    1,146,357.20x = 732,926,209,370.15
  5. Step 5: Solve for x
    x = 732,926,209,370.15/1,146,357.20
  6. Step 6: Final answer
    x = 639,352.38

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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.