Home / 1,074,317.40-1,482,061.01-643,850.19

Finding the Fourth Proportional to 1,074,317.40, 1,482,061.01 and 643,850.19

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Solution

The fourth proportional to 1,074,317.40, 1,482,061.01 and 643,850.19 is: 888,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,317.40 : 1,482,061.01 = 643,850.19 : x
  2. Step 2: Convert to fraction form
    1,074,317.40/1,482,061.01 = 643,850.19/x
  3. Step 3: Cross multiply
    1,074,317.40x = 1,482,061.01 × 643,850.19
  4. Step 4: Simplify right side
    1,074,317.40x = 954,225,264,489.72
  5. Step 5: Solve for x
    x = 954,225,264,489.72/1,074,317.40
  6. Step 6: Final answer
    x = 888,215.40

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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.