Home / 1,386,292.32-2,079,496.80-676,946.16

Finding the Fourth Proportional to 1,386,292.32, 2,079,496.80 and 676,946.16

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Solution

The fourth proportional to 1,386,292.32, 2,079,496.80 and 676,946.16 is: 1,015,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,292.32 : 2,079,496.80 = 676,946.16 : x
  2. Step 2: Convert to fraction form
    1,386,292.32/2,079,496.80 = 676,946.16/x
  3. Step 3: Cross multiply
    1,386,292.32x = 2,079,496.80 × 676,946.16
  4. Step 4: Simplify right side
    1,386,292.32x = 1,407,707,373,492.29
  5. Step 5: Solve for x
    x = 1,407,707,373,492.29/1,386,292.32
  6. Step 6: Final answer
    x = 1,015,447.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.