Home / 1,053,228.80-1,577,170.20-579,378.80

Finding the Fourth Proportional to 1,053,228.80, 1,577,170.20 and 579,378.80

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Solution

The fourth proportional to 1,053,228.80, 1,577,170.20 and 579,378.80 is: 867,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,228.80 : 1,577,170.20 = 579,378.80 : x
  2. Step 2: Convert to fraction form
    1,053,228.80/1,577,170.20 = 579,378.80/x
  3. Step 3: Cross multiply
    1,053,228.80x = 1,577,170.20 × 579,378.80
  4. Step 4: Simplify right side
    1,053,228.80x = 913,778,977,871.76
  5. Step 5: Solve for x
    x = 913,778,977,871.76/1,053,228.80
  6. Step 6: Final answer
    x = 867,597.79

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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.