Home / 1,289,360.04-1,934,037.84-342,730.80

Finding the Fourth Proportional to 1,289,360.04, 1,934,037.84 and 342,730.80

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Solution

The fourth proportional to 1,289,360.04, 1,934,037.84 and 342,730.80 is: 514,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,360.04 : 1,934,037.84 = 342,730.80 : x
  2. Step 2: Convert to fraction form
    1,289,360.04/1,934,037.84 = 342,730.80/x
  3. Step 3: Cross multiply
    1,289,360.04x = 1,934,037.84 × 342,730.80
  4. Step 4: Simplify right side
    1,289,360.04x = 662,854,336,133.47
  5. Step 5: Solve for x
    x = 662,854,336,133.47/1,289,360.04
  6. Step 6: Final answer
    x = 514,095.61

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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.