Home / 785,114.90-1,177,672.35-706,382.90

Finding the Fourth Proportional to 785,114.90, 1,177,672.35 and 706,382.90

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Solution

The fourth proportional to 785,114.90, 1,177,672.35 and 706,382.90 is: 1,059,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,114.90 : 1,177,672.35 = 706,382.90 : x
  2. Step 2: Convert to fraction form
    785,114.90/1,177,672.35 = 706,382.90/x
  3. Step 3: Cross multiply
    785,114.90x = 1,177,672.35 × 706,382.90
  4. Step 4: Simplify right side
    785,114.90x = 831,887,609,842.82
  5. Step 5: Solve for x
    x = 831,887,609,842.82/785,114.90
  6. Step 6: Final answer
    x = 1,059,574.35

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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.