Home / 1,698,125.18-2,343,432.22-972,958.38

Finding the Fourth Proportional to 1,698,125.18, 2,343,432.22 and 972,958.38

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Solution

The fourth proportional to 1,698,125.18, 2,343,432.22 and 972,958.38 is: 1,342,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,125.18 : 2,343,432.22 = 972,958.38 : x
  2. Step 2: Convert to fraction form
    1,698,125.18/2,343,432.22 = 972,958.38/x
  3. Step 3: Cross multiply
    1,698,125.18x = 2,343,432.22 × 972,958.38
  4. Step 4: Simplify right side
    1,698,125.18x = 2,280,062,016,411.00
  5. Step 5: Solve for x
    x = 2,280,062,016,411.00/1,698,125.18
  6. Step 6: Final answer
    x = 1,342,693.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.