Home / 1,448,885.80-2,173,328.70-1,291,292.20

Finding the Fourth Proportional to 1,448,885.80, 2,173,328.70 and 1,291,292.20

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Solution

The fourth proportional to 1,448,885.80, 2,173,328.70 and 1,291,292.20 is: 1,936,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,885.80 : 2,173,328.70 = 1,291,292.20 : x
  2. Step 2: Convert to fraction form
    1,448,885.80/2,173,328.70 = 1,291,292.20/x
  3. Step 3: Cross multiply
    1,448,885.80x = 2,173,328.70 × 1,291,292.20
  4. Step 4: Simplify right side
    1,448,885.80x = 2,806,402,398,346.14
  5. Step 5: Solve for x
    x = 2,806,402,398,346.14/1,448,885.80
  6. Step 6: Final answer
    x = 1,936,938.30

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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.