Home / 1,344,421.80-1,855,278-732,579.84

Finding the Fourth Proportional to 1,344,421.80, 1,855,278 and 732,579.84

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Solution

The fourth proportional to 1,344,421.80, 1,855,278 and 732,579.84 is: 1,010,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,421.80 : 1,855,278 = 732,579.84 : x
  2. Step 2: Convert to fraction form
    1,344,421.80/1,855,278 = 732,579.84/x
  3. Step 3: Cross multiply
    1,344,421.80x = 1,855,278 × 732,579.84
  4. Step 4: Simplify right side
    1,344,421.80x = 1,359,139,260,395.52
  5. Step 5: Solve for x
    x = 1,359,139,260,395.52/1,344,421.80
  6. Step 6: Final answer
    x = 1,010,947.06

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1.5x scale

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.