Home / 1,209,206.64-1,668,529.08-725,669.04

Finding the Fourth Proportional to 1,209,206.64, 1,668,529.08 and 725,669.04

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Solution

The fourth proportional to 1,209,206.64, 1,668,529.08 and 725,669.04 is: 1,001,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,206.64 : 1,668,529.08 = 725,669.04 : x
  2. Step 2: Convert to fraction form
    1,209,206.64/1,668,529.08 = 725,669.04/x
  3. Step 3: Cross multiply
    1,209,206.64x = 1,668,529.08 × 725,669.04
  4. Step 4: Simplify right side
    1,209,206.64x = 1,210,799,895,695.68
  5. Step 5: Solve for x
    x = 1,210,799,895,695.68/1,209,206.64
  6. Step 6: Final answer
    x = 1,001,317.60

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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.