Home / 761,214.40-1,142,113.20-749,258.80

Finding the Fourth Proportional to 761,214.40, 1,142,113.20 and 749,258.80

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Solution

The fourth proportional to 761,214.40, 1,142,113.20 and 749,258.80 is: 1,124,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,214.40 : 1,142,113.20 = 749,258.80 : x
  2. Step 2: Convert to fraction form
    761,214.40/1,142,113.20 = 749,258.80/x
  3. Step 3: Cross multiply
    761,214.40x = 1,142,113.20 × 749,258.80
  4. Step 4: Simplify right side
    761,214.40x = 855,738,365,696.16
  5. Step 5: Solve for x
    x = 855,738,365,696.16/761,214.40
  6. Step 6: Final answer
    x = 1,124,175.22

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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.