Home / 1,087,907.80-1,630,479.30-525,731.80

Finding the Fourth Proportional to 1,087,907.80, 1,630,479.30 and 525,731.80

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Solution

The fourth proportional to 1,087,907.80, 1,630,479.30 and 525,731.80 is: 787,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,907.80 : 1,630,479.30 = 525,731.80 : x
  2. Step 2: Convert to fraction form
    1,087,907.80/1,630,479.30 = 525,731.80/x
  3. Step 3: Cross multiply
    1,087,907.80x = 1,630,479.30 × 525,731.80
  4. Step 4: Simplify right side
    1,087,907.80x = 857,194,817,251.74
  5. Step 5: Solve for x
    x = 857,194,817,251.74/1,087,907.80
  6. Step 6: Final answer
    x = 787,929.65

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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.