Home / 1,289,350.02-1,934,022.90-342,720.74

Finding the Fourth Proportional to 1,289,350.02, 1,934,022.90 and 342,720.74

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Solution

The fourth proportional to 1,289,350.02, 1,934,022.90 and 342,720.74 is: 514,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,350.02 : 1,934,022.90 = 342,720.74 : x
  2. Step 2: Convert to fraction form
    1,289,350.02/1,934,022.90 = 342,720.74/x
  3. Step 3: Cross multiply
    1,289,350.02x = 1,934,022.90 × 342,720.74
  4. Step 4: Simplify right side
    1,289,350.02x = 662,829,759,464.95
  5. Step 5: Solve for x
    x = 662,829,759,464.95/1,289,350.02
  6. Step 6: Final answer
    x = 514,080.54

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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.