Home / 912,009.64-1,361,335.88-804,275.18

Finding the Fourth Proportional to 912,009.64, 1,361,335.88 and 804,275.18

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Solution

The fourth proportional to 912,009.64, 1,361,335.88 and 804,275.18 is: 1,200,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,009.64 : 1,361,335.88 = 804,275.18 : x
  2. Step 2: Convert to fraction form
    912,009.64/1,361,335.88 = 804,275.18/x
  3. Step 3: Cross multiply
    912,009.64x = 1,361,335.88 × 804,275.18
  4. Step 4: Simplify right side
    912,009.64x = 1,094,888,659,927.46
  5. Step 5: Solve for x
    x = 1,094,888,659,927.46/912,009.64
  6. Step 6: Final answer
    x = 1,200,523.12

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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.