Home / 1,565,108.20-2,348,439.90-618,509.80

Finding the Fourth Proportional to 1,565,108.20, 2,348,439.90 and 618,509.80

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Solution

The fourth proportional to 1,565,108.20, 2,348,439.90 and 618,509.80 is: 928,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,108.20 : 2,348,439.90 = 618,509.80 : x
  2. Step 2: Convert to fraction form
    1,565,108.20/2,348,439.90 = 618,509.80/x
  3. Step 3: Cross multiply
    1,565,108.20x = 2,348,439.90 × 618,509.80
  4. Step 4: Simplify right side
    1,565,108.20x = 1,452,533,092,861.02
  5. Step 5: Solve for x
    x = 1,452,533,092,861.02/1,565,108.20
  6. Step 6: Final answer
    x = 928,072.00

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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.