Home / 993,967.20-1,490,950.80-869,551.20

Finding the Fourth Proportional to 993,967.20, 1,490,950.80 and 869,551.20

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Solution

The fourth proportional to 993,967.20, 1,490,950.80 and 869,551.20 is: 1,304,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,967.20 : 1,490,950.80 = 869,551.20 : x
  2. Step 2: Convert to fraction form
    993,967.20/1,490,950.80 = 869,551.20/x
  3. Step 3: Cross multiply
    993,967.20x = 1,490,950.80 × 869,551.20
  4. Step 4: Simplify right side
    993,967.20x = 1,296,458,057,280.96
  5. Step 5: Solve for x
    x = 1,296,458,057,280.96/993,967.20
  6. Step 6: Final answer
    x = 1,304,326.80

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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.