Home / 1,074,378.12-1,482,612.70-609,317.36

Finding the Fourth Proportional to 1,074,378.12, 1,482,612.70 and 609,317.36

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Solution

The fourth proportional to 1,074,378.12, 1,482,612.70 and 609,317.36 is: 840,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,378.12 : 1,482,612.70 = 609,317.36 : x
  2. Step 2: Convert to fraction form
    1,074,378.12/1,482,612.70 = 609,317.36/x
  3. Step 3: Cross multiply
    1,074,378.12x = 1,482,612.70 × 609,317.36
  4. Step 4: Simplify right side
    1,074,378.12x = 903,381,645,806.82
  5. Step 5: Solve for x
    x = 903,381,645,806.82/1,074,378.12
  6. Step 6: Final answer
    x = 840,841.44

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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.