Home / 1,180,641.90-1,772,275.05-649,200.90

Finding the Fourth Proportional to 1,180,641.90, 1,772,275.05 and 649,200.90

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Solution

The fourth proportional to 1,180,641.90, 1,772,275.05 and 649,200.90 is: 974,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,641.90 : 1,772,275.05 = 649,200.90 : x
  2. Step 2: Convert to fraction form
    1,180,641.90/1,772,275.05 = 649,200.90/x
  3. Step 3: Cross multiply
    1,180,641.90x = 1,772,275.05 × 649,200.90
  4. Step 4: Simplify right side
    1,180,641.90x = 1,150,562,557,507.55
  5. Step 5: Solve for x
    x = 1,150,562,557,507.55/1,180,641.90
  6. Step 6: Final answer
    x = 974,522.89

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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.