Home / 1,121,248.80-1,683,428.40-701,344.80

Finding the Fourth Proportional to 1,121,248.80, 1,683,428.40 and 701,344.80

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Solution

The fourth proportional to 1,121,248.80, 1,683,428.40 and 701,344.80 is: 1,052,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,248.80 : 1,683,428.40 = 701,344.80 : x
  2. Step 2: Convert to fraction form
    1,121,248.80/1,683,428.40 = 701,344.80/x
  3. Step 3: Cross multiply
    1,121,248.80x = 1,683,428.40 × 701,344.80
  4. Step 4: Simplify right side
    1,121,248.80x = 1,180,663,754,512.32
  5. Step 5: Solve for x
    x = 1,180,663,754,512.32/1,121,248.80
  6. Step 6: Final answer
    x = 1,052,989.98

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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.