Home / 1,577,818.80-2,368,283.40-780,001.20

Finding the Fourth Proportional to 1,577,818.80, 2,368,283.40 and 780,001.20

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Solution

The fourth proportional to 1,577,818.80, 2,368,283.40 and 780,001.20 is: 1,170,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,818.80 : 2,368,283.40 = 780,001.20 : x
  2. Step 2: Convert to fraction form
    1,577,818.80/2,368,283.40 = 780,001.20/x
  3. Step 3: Cross multiply
    1,577,818.80x = 2,368,283.40 × 780,001.20
  4. Step 4: Simplify right side
    1,577,818.80x = 1,847,263,893,940.08
  5. Step 5: Solve for x
    x = 1,847,263,893,940.08/1,577,818.80
  6. Step 6: Final answer
    x = 1,170,770.62

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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.