Home / 1,209,723.40-1,669,309.86-700,460.20

Finding the Fourth Proportional to 1,209,723.40, 1,669,309.86 and 700,460.20

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Solution

The fourth proportional to 1,209,723.40, 1,669,309.86 and 700,460.20 is: 966,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,723.40 : 1,669,309.86 = 700,460.20 : x
  2. Step 2: Convert to fraction form
    1,209,723.40/1,669,309.86 = 700,460.20/x
  3. Step 3: Cross multiply
    1,209,723.40x = 1,669,309.86 × 700,460.20
  4. Step 4: Simplify right side
    1,209,723.40x = 1,169,285,118,397.57
  5. Step 5: Solve for x
    x = 1,169,285,118,397.57/1,209,723.40
  6. Step 6: Final answer
    x = 966,572.29

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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.