Home / 1,190,402.87-1,642,500.38-707,130.95

Finding the Fourth Proportional to 1,190,402.87, 1,642,500.38 and 707,130.95

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Solution

The fourth proportional to 1,190,402.87, 1,642,500.38 and 707,130.95 is: 975,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,402.87 : 1,642,500.38 = 707,130.95 : x
  2. Step 2: Convert to fraction form
    1,190,402.87/1,642,500.38 = 707,130.95/x
  3. Step 3: Cross multiply
    1,190,402.87x = 1,642,500.38 × 707,130.95
  4. Step 4: Simplify right side
    1,190,402.87x = 1,161,462,842,336.60
  5. Step 5: Solve for x
    x = 1,161,462,842,336.60/1,190,402.87
  6. Step 6: Final answer
    x = 975,688.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.