Home / 790,585.25-1,187,058.85-778,775.45

Finding the Fourth Proportional to 790,585.25, 1,187,058.85 and 778,775.45

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Solution

The fourth proportional to 790,585.25, 1,187,058.85 and 778,775.45 is: 1,169,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,585.25 : 1,187,058.85 = 778,775.45 : x
  2. Step 2: Convert to fraction form
    790,585.25/1,187,058.85 = 778,775.45/x
  3. Step 3: Cross multiply
    790,585.25x = 1,187,058.85 × 778,775.45
  4. Step 4: Simplify right side
    790,585.25x = 924,452,282,203.00
  5. Step 5: Solve for x
    x = 924,452,282,203.00/790,585.25
  6. Step 6: Final answer
    x = 1,169,326.51

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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.