Home / 779,907.20-1,169,860.80-707,590.40

Finding the Fourth Proportional to 779,907.20, 1,169,860.80 and 707,590.40

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Solution

The fourth proportional to 779,907.20, 1,169,860.80 and 707,590.40 is: 1,061,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,907.20 : 1,169,860.80 = 707,590.40 : x
  2. Step 2: Convert to fraction form
    779,907.20/1,169,860.80 = 707,590.40/x
  3. Step 3: Cross multiply
    779,907.20x = 1,169,860.80 × 707,590.40
  4. Step 4: Simplify right side
    779,907.20x = 827,782,271,416.32
  5. Step 5: Solve for x
    x = 827,782,271,416.32/779,907.20
  6. Step 6: Final answer
    x = 1,061,385.60

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Similar ratio
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1.5x scale

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.