Home / 1,344,322.40-1,855,141.44-732,480.21

Finding the Fourth Proportional to 1,344,322.40, 1,855,141.44 and 732,480.21

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Solution

The fourth proportional to 1,344,322.40, 1,855,141.44 and 732,480.21 is: 1,010,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,322.40 : 1,855,141.44 = 732,480.21 : x
  2. Step 2: Convert to fraction form
    1,344,322.40/1,855,141.44 = 732,480.21/x
  3. Step 3: Cross multiply
    1,344,322.40x = 1,855,141.44 × 732,480.21
  4. Step 4: Simplify right side
    1,344,322.40x = 1,358,854,391,550.90
  5. Step 5: Solve for x
    x = 1,358,854,391,550.90/1,344,322.40
  6. Step 6: Final answer
    x = 1,010,809.90

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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.