Home / 1,170,417.30-1,615,275.33-661,213.14

Finding the Fourth Proportional to 1,170,417.30, 1,615,275.33 and 661,213.14

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Solution

The fourth proportional to 1,170,417.30, 1,615,275.33 and 661,213.14 is: 912,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,417.30 : 1,615,275.33 = 661,213.14 : x
  2. Step 2: Convert to fraction form
    1,170,417.30/1,615,275.33 = 661,213.14/x
  3. Step 3: Cross multiply
    1,170,417.30x = 1,615,275.33 × 661,213.14
  4. Step 4: Simplify right side
    1,170,417.30x = 1,068,041,272,913.84
  5. Step 5: Solve for x
    x = 1,068,041,272,913.84/1,170,417.30
  6. Step 6: Final answer
    x = 912,530.32

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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.