Home / 779,530.60-1,162,090.18-767,246.19

Finding the Fourth Proportional to 779,530.60, 1,162,090.18 and 767,246.19

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Solution

The fourth proportional to 779,530.60, 1,162,090.18 and 767,246.19 is: 1,143,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,530.60 : 1,162,090.18 = 767,246.19 : x
  2. Step 2: Convert to fraction form
    779,530.60/1,162,090.18 = 767,246.19/x
  3. Step 3: Cross multiply
    779,530.60x = 1,162,090.18 × 767,246.19
  4. Step 4: Simplify right side
    779,530.60x = 891,609,266,179.39
  5. Step 5: Solve for x
    x = 891,609,266,179.39/779,530.60
  6. Step 6: Final answer
    x = 1,143,777.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.