Home / 1,209,708.40-1,669,289.16-700,445.20

Finding the Fourth Proportional to 1,209,708.40, 1,669,289.16 and 700,445.20

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Solution

The fourth proportional to 1,209,708.40, 1,669,289.16 and 700,445.20 is: 966,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,708.40 : 1,669,289.16 = 700,445.20 : x
  2. Step 2: Convert to fraction form
    1,209,708.40/1,669,289.16 = 700,445.20/x
  3. Step 3: Cross multiply
    1,209,708.40x = 1,669,289.16 × 700,445.20
  4. Step 4: Simplify right side
    1,209,708.40x = 1,169,245,579,534.03
  5. Step 5: Solve for x
    x = 1,169,245,579,534.03/1,209,708.40
  6. Step 6: Final answer
    x = 966,551.59

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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.