Home / 1,680,824.46-2,319,535-916,878

Finding the Fourth Proportional to 1,680,824.46, 2,319,535 and 916,878

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Solution

The fourth proportional to 1,680,824.46, 2,319,535 and 916,878 is: 1,265,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,824.46 : 2,319,535 = 916,878 : x
  2. Step 2: Convert to fraction form
    1,680,824.46/2,319,535 = 916,878/x
  3. Step 3: Cross multiply
    1,680,824.46x = 2,319,535 × 916,878
  4. Step 4: Simplify right side
    1,680,824.46x = 2,126,730,611,730
  5. Step 5: Solve for x
    x = 2,126,730,611,730/1,680,824.46
  6. Step 6: Final answer
    x = 1,265,290.14

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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.