Home / 1,253,802.64-1,730,267.75-709,923.88

Finding the Fourth Proportional to 1,253,802.64, 1,730,267.75 and 709,923.88

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Solution

The fourth proportional to 1,253,802.64, 1,730,267.75 and 709,923.88 is: 979,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,802.64 : 1,730,267.75 = 709,923.88 : x
  2. Step 2: Convert to fraction form
    1,253,802.64/1,730,267.75 = 709,923.88/x
  3. Step 3: Cross multiply
    1,253,802.64x = 1,730,267.75 × 709,923.88
  4. Step 4: Simplify right side
    1,253,802.64x = 1,228,358,394,518.87
  5. Step 5: Solve for x
    x = 1,228,358,394,518.87/1,253,802.64
  6. Step 6: Final answer
    x = 979,706.34

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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.