Home / 880,860.60-1,321,290.90-872,566.20

Finding the Fourth Proportional to 880,860.60, 1,321,290.90 and 872,566.20

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Solution

The fourth proportional to 880,860.60, 1,321,290.90 and 872,566.20 is: 1,308,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,860.60 : 1,321,290.90 = 872,566.20 : x
  2. Step 2: Convert to fraction form
    880,860.60/1,321,290.90 = 872,566.20/x
  3. Step 3: Cross multiply
    880,860.60x = 1,321,290.90 × 872,566.20
  4. Step 4: Simplify right side
    880,860.60x = 1,152,913,779,707.58
  5. Step 5: Solve for x
    x = 1,152,913,779,707.58/880,860.60
  6. Step 6: Final answer
    x = 1,308,849.30

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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.