Home / 1,070,412.20-1,605,834.30-312,252.20

Finding the Fourth Proportional to 1,070,412.20, 1,605,834.30 and 312,252.20

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Solution

The fourth proportional to 1,070,412.20, 1,605,834.30 and 312,252.20 is: 468,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,412.20 : 1,605,834.30 = 312,252.20 : x
  2. Step 2: Convert to fraction form
    1,070,412.20/1,605,834.30 = 312,252.20/x
  3. Step 3: Cross multiply
    1,070,412.20x = 1,605,834.30 × 312,252.20
  4. Step 4: Simplify right side
    1,070,412.20x = 501,425,293,010.46
  5. Step 5: Solve for x
    x = 501,425,293,010.46/1,070,412.20
  6. Step 6: Final answer
    x = 468,441.31

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1.5x scale

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.