Home / 935,730.72-1,402,619.18-678,942.90

Finding the Fourth Proportional to 935,730.72, 1,402,619.18 and 678,942.90

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Solution

The fourth proportional to 935,730.72, 1,402,619.18 and 678,942.90 is: 1,017,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,730.72 : 1,402,619.18 = 678,942.90 : x
  2. Step 2: Convert to fraction form
    935,730.72/1,402,619.18 = 678,942.90/x
  3. Step 3: Cross multiply
    935,730.72x = 1,402,619.18 × 678,942.90
  4. Step 4: Simplify right side
    935,730.72x = 952,298,330,270.11
  5. Step 5: Solve for x
    x = 952,298,330,270.11/935,730.72
  6. Step 6: Final answer
    x = 1,017,705.53

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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.