Home / 1,240,266.90-1,860,400.35-1,156,286.10

Finding the Fourth Proportional to 1,240,266.90, 1,860,400.35 and 1,156,286.10

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Solution

The fourth proportional to 1,240,266.90, 1,860,400.35 and 1,156,286.10 is: 1,734,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,266.90 : 1,860,400.35 = 1,156,286.10 : x
  2. Step 2: Convert to fraction form
    1,240,266.90/1,860,400.35 = 1,156,286.10/x
  3. Step 3: Cross multiply
    1,240,266.90x = 1,860,400.35 × 1,156,286.10
  4. Step 4: Simplify right side
    1,240,266.90x = 2,151,155,065,140.14
  5. Step 5: Solve for x
    x = 2,151,155,065,140.14/1,240,266.90
  6. Step 6: Final answer
    x = 1,734,429.15

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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.