Home / 1,087,999.80-1,630,617.30-525,823.80

Finding the Fourth Proportional to 1,087,999.80, 1,630,617.30 and 525,823.80

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Solution

The fourth proportional to 1,087,999.80, 1,630,617.30 and 525,823.80 is: 788,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,999.80 : 1,630,617.30 = 525,823.80 : x
  2. Step 2: Convert to fraction form
    1,087,999.80/1,630,617.30 = 525,823.80/x
  3. Step 3: Cross multiply
    1,087,999.80x = 1,630,617.30 × 525,823.80
  4. Step 4: Simplify right side
    1,087,999.80x = 857,417,385,031.74
  5. Step 5: Solve for x
    x = 857,417,385,031.74/1,087,999.80
  6. Step 6: Final answer
    x = 788,067.59

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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.