Home / 1,224,034.46-1,689,322.89-740,603.58

Finding the Fourth Proportional to 1,224,034.46, 1,689,322.89 and 740,603.58

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Solution

The fourth proportional to 1,224,034.46, 1,689,322.89 and 740,603.58 is: 1,022,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,034.46 : 1,689,322.89 = 740,603.58 : x
  2. Step 2: Convert to fraction form
    1,224,034.46/1,689,322.89 = 740,603.58/x
  3. Step 3: Cross multiply
    1,224,034.46x = 1,689,322.89 × 740,603.58
  4. Step 4: Simplify right side
    1,224,034.46x = 1,251,118,580,109.95
  5. Step 5: Solve for x
    x = 1,251,118,580,109.95/1,224,034.46
  6. Step 6: Final answer
    x = 1,022,126.93

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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.