Home / 1,158,892.40-1,738,072.80-317,509.76

Finding the Fourth Proportional to 1,158,892.40, 1,738,072.80 and 317,509.76

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Solution

The fourth proportional to 1,158,892.40, 1,738,072.80 and 317,509.76 is: 476,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,892.40 : 1,738,072.80 = 317,509.76 : x
  2. Step 2: Convert to fraction form
    1,158,892.40/1,738,072.80 = 317,509.76/x
  3. Step 3: Cross multiply
    1,158,892.40x = 1,738,072.80 × 317,509.76
  4. Step 4: Simplify right side
    1,158,892.40x = 551,855,077,590.53
  5. Step 5: Solve for x
    x = 551,855,077,590.53/1,158,892.40
  6. Step 6: Final answer
    x = 476,191.82

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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.