Home / 1,317,278.57-1,817,837.28-736,501.58

Finding the Fourth Proportional to 1,317,278.57, 1,817,837.28 and 736,501.58

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Solution

The fourth proportional to 1,317,278.57, 1,817,837.28 and 736,501.58 is: 1,016,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,278.57 : 1,817,837.28 = 736,501.58 : x
  2. Step 2: Convert to fraction form
    1,317,278.57/1,817,837.28 = 736,501.58/x
  3. Step 3: Cross multiply
    1,317,278.57x = 1,817,837.28 × 736,501.58
  4. Step 4: Simplify right side
    1,317,278.57x = 1,338,840,028,902.90
  5. Step 5: Solve for x
    x = 1,338,840,028,902.90/1,317,278.57
  6. Step 6: Final answer
    x = 1,016,368.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.