Home / 1,344,017.40-1,854,743.18-740,405.40

Finding the Fourth Proportional to 1,344,017.40, 1,854,743.18 and 740,405.40

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Solution

The fourth proportional to 1,344,017.40, 1,854,743.18 and 740,405.40 is: 1,021,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,017.40 : 1,854,743.18 = 740,405.40 : x
  2. Step 2: Convert to fraction form
    1,344,017.40/1,854,743.18 = 740,405.40/x
  3. Step 3: Cross multiply
    1,344,017.40x = 1,854,743.18 × 740,405.40
  4. Step 4: Simplify right side
    1,344,017.40x = 1,373,261,866,085.17
  5. Step 5: Solve for x
    x = 1,373,261,866,085.17/1,344,017.40
  6. Step 6: Final answer
    x = 1,021,758.99

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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.