Home / 1,074,482.04-1,482,835.50-621,685.56

Finding the Fourth Proportional to 1,074,482.04, 1,482,835.50 and 621,685.56

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Solution

The fourth proportional to 1,074,482.04, 1,482,835.50 and 621,685.56 is: 857,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,482.04 : 1,482,835.50 = 621,685.56 : x
  2. Step 2: Convert to fraction form
    1,074,482.04/1,482,835.50 = 621,685.56/x
  3. Step 3: Cross multiply
    1,074,482.04x = 1,482,835.50 × 621,685.56
  4. Step 4: Simplify right side
    1,074,482.04x = 921,857,418,205.38
  5. Step 5: Solve for x
    x = 921,857,418,205.38/1,074,482.04
  6. Step 6: Final answer
    x = 857,955.17

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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.