Home / 908,051.20-1,359,619.20-711,443.20

Finding the Fourth Proportional to 908,051.20, 1,359,619.20 and 711,443.20

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Solution

The fourth proportional to 908,051.20, 1,359,619.20 and 711,443.20 is: 1,065,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,051.20 : 1,359,619.20 = 711,443.20 : x
  2. Step 2: Convert to fraction form
    908,051.20/1,359,619.20 = 711,443.20/x
  3. Step 3: Cross multiply
    908,051.20x = 1,359,619.20 × 711,443.20
  4. Step 4: Simplify right side
    908,051.20x = 967,291,834,429.44
  5. Step 5: Solve for x
    x = 967,291,834,429.44/908,051.20
  6. Step 6: Final answer
    x = 1,065,239.31

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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.