Home / 1,588,271.20-2,191,807.02-863,105.20

Finding the Fourth Proportional to 1,588,271.20, 2,191,807.02 and 863,105.20

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Solution

The fourth proportional to 1,588,271.20, 2,191,807.02 and 863,105.20 is: 1,191,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,271.20 : 2,191,807.02 = 863,105.20 : x
  2. Step 2: Convert to fraction form
    1,588,271.20/2,191,807.02 = 863,105.20/x
  3. Step 3: Cross multiply
    1,588,271.20x = 2,191,807.02 × 863,105.20
  4. Step 4: Simplify right side
    1,588,271.20x = 1,891,760,036,358.50
  5. Step 5: Solve for x
    x = 1,891,760,036,358.50/1,588,271.20
  6. Step 6: Final answer
    x = 1,191,081.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.