Home / 1,447,718.22-1,997,853.48-803,138.42

Finding the Fourth Proportional to 1,447,718.22, 1,997,853.48 and 803,138.42

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Solution

The fourth proportional to 1,447,718.22, 1,997,853.48 and 803,138.42 is: 1,108,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,718.22 : 1,997,853.48 = 803,138.42 : x
  2. Step 2: Convert to fraction form
    1,447,718.22/1,997,853.48 = 803,138.42/x
  3. Step 3: Cross multiply
    1,447,718.22x = 1,997,853.48 × 803,138.42
  4. Step 4: Simplify right side
    1,447,718.22x = 1,604,552,887,318.70
  5. Step 5: Solve for x
    x = 1,604,552,887,318.70/1,447,718.22
  6. Step 6: Final answer
    x = 1,108,332.32

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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.