Home / 1,547,596.80-2,321,395.20-980,726.40

Finding the Fourth Proportional to 1,547,596.80, 2,321,395.20 and 980,726.40

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Solution

The fourth proportional to 1,547,596.80, 2,321,395.20 and 980,726.40 is: 1,471,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,596.80 : 2,321,395.20 = 980,726.40 : x
  2. Step 2: Convert to fraction form
    1,547,596.80/2,321,395.20 = 980,726.40/x
  3. Step 3: Cross multiply
    1,547,596.80x = 2,321,395.20 × 980,726.40
  4. Step 4: Simplify right side
    1,547,596.80x = 2,276,653,557,473.28
  5. Step 5: Solve for x
    x = 2,276,653,557,473.28/1,547,596.80
  6. Step 6: Final answer
    x = 1,471,089.60

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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.