Home / 1,370,576.28-2,056,331.40-411,055.12

Finding the Fourth Proportional to 1,370,576.28, 2,056,331.40 and 411,055.12

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Solution

The fourth proportional to 1,370,576.28, 2,056,331.40 and 411,055.12 is: 616,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,576.28 : 2,056,331.40 = 411,055.12 : x
  2. Step 2: Convert to fraction form
    1,370,576.28/2,056,331.40 = 411,055.12/x
  3. Step 3: Cross multiply
    1,370,576.28x = 2,056,331.40 × 411,055.12
  4. Step 4: Simplify right side
    1,370,576.28x = 845,265,550,386.77
  5. Step 5: Solve for x
    x = 845,265,550,386.77/1,370,576.28
  6. Step 6: Final answer
    x = 616,722.73

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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.