Home / 1,359,479.80-2,036,886.90-885,921.40

Finding the Fourth Proportional to 1,359,479.80, 2,036,886.90 and 885,921.40

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Solution

The fourth proportional to 1,359,479.80, 2,036,886.90 and 885,921.40 is: 1,327,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,479.80 : 2,036,886.90 = 885,921.40 : x
  2. Step 2: Convert to fraction form
    1,359,479.80/2,036,886.90 = 885,921.40/x
  3. Step 3: Cross multiply
    1,359,479.80x = 2,036,886.90 × 885,921.40
  4. Step 4: Simplify right side
    1,359,479.80x = 1,804,521,694,089.66
  5. Step 5: Solve for x
    x = 1,804,521,694,089.66/1,359,479.80
  6. Step 6: Final answer
    x = 1,327,361.90

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Why These Related Problems?

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