Home / 1,625,724.80-2,439,969.60-728,547.20

Finding the Fourth Proportional to 1,625,724.80, 2,439,969.60 and 728,547.20

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Solution

The fourth proportional to 1,625,724.80, 2,439,969.60 and 728,547.20 is: 1,093,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,724.80 : 2,439,969.60 = 728,547.20 : x
  2. Step 2: Convert to fraction form
    1,625,724.80/2,439,969.60 = 728,547.20/x
  3. Step 3: Cross multiply
    1,625,724.80x = 2,439,969.60 × 728,547.20
  4. Step 4: Simplify right side
    1,625,724.80x = 1,777,633,020,165.12
  5. Step 5: Solve for x
    x = 1,777,633,020,165.12/1,625,724.80
  6. Step 6: Final answer
    x = 1,093,440.30

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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.