Home / 1,006,442.65-1,389,729.15-933,420.44

Finding the Fourth Proportional to 1,006,442.65, 1,389,729.15 and 933,420.44

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Solution

The fourth proportional to 1,006,442.65, 1,389,729.15 and 933,420.44 is: 1,288,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,442.65 : 1,389,729.15 = 933,420.44 : x
  2. Step 2: Convert to fraction form
    1,006,442.65/1,389,729.15 = 933,420.44/x
  3. Step 3: Cross multiply
    1,006,442.65x = 1,389,729.15 × 933,420.44
  4. Step 4: Simplify right side
    1,006,442.65x = 1,297,201,598,148.15
  5. Step 5: Solve for x
    x = 1,297,201,598,148.15/1,006,442.65
  6. Step 6: Final answer
    x = 1,288,897.68

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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.