Home / 1,140,980.88-1,708,948.58-780,296.95

Finding the Fourth Proportional to 1,140,980.88, 1,708,948.58 and 780,296.95

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Solution

The fourth proportional to 1,140,980.88, 1,708,948.58 and 780,296.95 is: 1,168,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,980.88 : 1,708,948.58 = 780,296.95 : x
  2. Step 2: Convert to fraction form
    1,140,980.88/1,708,948.58 = 780,296.95/x
  3. Step 3: Cross multiply
    1,140,980.88x = 1,708,948.58 × 780,296.95
  4. Step 4: Simplify right side
    1,140,980.88x = 1,333,487,357,691.87
  5. Step 5: Solve for x
    x = 1,333,487,357,691.87/1,140,980.88
  6. Step 6: Final answer
    x = 1,168,720.16

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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.