Home / 1,025,116.80-1,539,230.40-788,726.40

Finding the Fourth Proportional to 1,025,116.80, 1,539,230.40 and 788,726.40

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Solution

The fourth proportional to 1,025,116.80, 1,539,230.40 and 788,726.40 is: 1,184,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,116.80 : 1,539,230.40 = 788,726.40 : x
  2. Step 2: Convert to fraction form
    1,025,116.80/1,539,230.40 = 788,726.40/x
  3. Step 3: Cross multiply
    1,025,116.80x = 1,539,230.40 × 788,726.40
  4. Step 4: Simplify right side
    1,025,116.80x = 1,214,031,652,162.56
  5. Step 5: Solve for x
    x = 1,214,031,652,162.56/1,025,116.80
  6. Step 6: Final answer
    x = 1,184,286.17

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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.