Home / 767,049.60-1,151,956.80-742,166.40

Finding the Fourth Proportional to 767,049.60, 1,151,956.80 and 742,166.40

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Solution

The fourth proportional to 767,049.60, 1,151,956.80 and 742,166.40 is: 1,114,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,049.60 : 1,151,956.80 = 742,166.40 : x
  2. Step 2: Convert to fraction form
    767,049.60/1,151,956.80 = 742,166.40/x
  3. Step 3: Cross multiply
    767,049.60x = 1,151,956.80 × 742,166.40
  4. Step 4: Simplify right side
    767,049.60x = 854,943,631,211.52
  5. Step 5: Solve for x
    x = 854,943,631,211.52/767,049.60
  6. Step 6: Final answer
    x = 1,114,587.15

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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.