Home / 1,289,348.01-1,934,019.90-342,718.74

Finding the Fourth Proportional to 1,289,348.01, 1,934,019.90 and 342,718.74

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Solution

The fourth proportional to 1,289,348.01, 1,934,019.90 and 342,718.74 is: 514,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,348.01 : 1,934,019.90 = 342,718.74 : x
  2. Step 2: Convert to fraction form
    1,289,348.01/1,934,019.90 = 342,718.74/x
  3. Step 3: Cross multiply
    1,289,348.01x = 1,934,019.90 × 342,718.74
  4. Step 4: Simplify right side
    1,289,348.01x = 662,824,863,262.93
  5. Step 5: Solve for x
    x = 662,824,863,262.93/1,289,348.01
  6. Step 6: Final answer
    x = 514,077.55

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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.