Home / 1,315,576.40-1,972,155-473,922.32

Finding the Fourth Proportional to 1,315,576.40, 1,972,155 and 473,922.32

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Solution

The fourth proportional to 1,315,576.40, 1,972,155 and 473,922.32 is: 710,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,576.40 : 1,972,155 = 473,922.32 : x
  2. Step 2: Convert to fraction form
    1,315,576.40/1,972,155 = 473,922.32/x
  3. Step 3: Cross multiply
    1,315,576.40x = 1,972,155 × 473,922.32
  4. Step 4: Simplify right side
    1,315,576.40x = 934,648,272,999.60
  5. Step 5: Solve for x
    x = 934,648,272,999.60/1,315,576.40
  6. Step 6: Final answer
    x = 710,447.73

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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.