Home / 1,539,310.30-2,309,621.55-971,127.70

Finding the Fourth Proportional to 1,539,310.30, 2,309,621.55 and 971,127.70

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Solution

The fourth proportional to 1,539,310.30, 2,309,621.55 and 971,127.70 is: 1,457,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,310.30 : 2,309,621.55 = 971,127.70 : x
  2. Step 2: Convert to fraction form
    1,539,310.30/2,309,621.55 = 971,127.70/x
  3. Step 3: Cross multiply
    1,539,310.30x = 2,309,621.55 × 971,127.70
  4. Step 4: Simplify right side
    1,539,310.30x = 2,242,937,463,721.93
  5. Step 5: Solve for x
    x = 2,242,937,463,721.93/1,539,310.30
  6. Step 6: Final answer
    x = 1,457,105.47

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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.