Home / 1,170,539.95-1,615,476.24-661,275.15

Finding the Fourth Proportional to 1,170,539.95, 1,615,476.24 and 661,275.15

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Solution

The fourth proportional to 1,170,539.95, 1,615,476.24 and 661,275.15 is: 912,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,539.95 : 1,615,476.24 = 661,275.15 : x
  2. Step 2: Convert to fraction form
    1,170,539.95/1,615,476.24 = 661,275.15/x
  3. Step 3: Cross multiply
    1,170,539.95x = 1,615,476.24 × 661,275.15
  4. Step 4: Simplify right side
    1,170,539.95x = 1,068,274,289,621.06
  5. Step 5: Solve for x
    x = 1,068,274,289,621.06/1,170,539.95
  6. Step 6: Final answer
    x = 912,633.77

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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.