Home / 1,005,214.95-1,507,819.46-406,169.19

Finding the Fourth Proportional to 1,005,214.95, 1,507,819.46 and 406,169.19

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Solution

The fourth proportional to 1,005,214.95, 1,507,819.46 and 406,169.19 is: 609,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,214.95 : 1,507,819.46 = 406,169.19 : x
  2. Step 2: Convert to fraction form
    1,005,214.95/1,507,819.46 = 406,169.19/x
  3. Step 3: Cross multiply
    1,005,214.95x = 1,507,819.46 × 406,169.19
  4. Step 4: Simplify right side
    1,005,214.95x = 612,429,806,703.59
  5. Step 5: Solve for x
    x = 612,429,806,703.59/1,005,214.95
  6. Step 6: Final answer
    x = 609,252.58

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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.