Home / 1,456,748.70-2,010,321.63-812,209.02

Finding the Fourth Proportional to 1,456,748.70, 2,010,321.63 and 812,209.02

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Solution

The fourth proportional to 1,456,748.70, 2,010,321.63 and 812,209.02 is: 1,120,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,748.70 : 2,010,321.63 = 812,209.02 : x
  2. Step 2: Convert to fraction form
    1,456,748.70/2,010,321.63 = 812,209.02/x
  3. Step 3: Cross multiply
    1,456,748.70x = 2,010,321.63 × 812,209.02
  4. Step 4: Simplify right side
    1,456,748.70x = 1,632,801,360,987.10
  5. Step 5: Solve for x
    x = 1,632,801,360,987.10/1,456,748.70
  6. Step 6: Final answer
    x = 1,120,853.14

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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.