Home / 1,439,370.54-2,160,372.69-729,888.30

Finding the Fourth Proportional to 1,439,370.54, 2,160,372.69 and 729,888.30

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Solution

The fourth proportional to 1,439,370.54, 2,160,372.69 and 729,888.30 is: 1,095,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,370.54 : 2,160,372.69 = 729,888.30 : x
  2. Step 2: Convert to fraction form
    1,439,370.54/2,160,372.69 = 729,888.30/x
  3. Step 3: Cross multiply
    1,439,370.54x = 2,160,372.69 × 729,888.30
  4. Step 4: Simplify right side
    1,439,370.54x = 1,576,830,750,070.53
  5. Step 5: Solve for x
    x = 1,576,830,750,070.53/1,439,370.54
  6. Step 6: Final answer
    x = 1,095,500.22

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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.