Home / 1,209,475.80-1,814,405.70-410,832.60

Finding the Fourth Proportional to 1,209,475.80, 1,814,405.70 and 410,832.60

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Solution

The fourth proportional to 1,209,475.80, 1,814,405.70 and 410,832.60 is: 616,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,475.80 : 1,814,405.70 = 410,832.60 : x
  2. Step 2: Convert to fraction form
    1,209,475.80/1,814,405.70 = 410,832.60/x
  3. Step 3: Cross multiply
    1,209,475.80x = 1,814,405.70 × 410,832.60
  4. Step 4: Simplify right side
    1,209,475.80x = 745,417,011,185.82
  5. Step 5: Solve for x
    x = 745,417,011,185.82/1,209,475.80
  6. Step 6: Final answer
    x = 616,314.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.