Home / 1,567,901.76-2,164,632.08-987,622.31

Finding the Fourth Proportional to 1,567,901.76, 2,164,632.08 and 987,622.31

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Solution

The fourth proportional to 1,567,901.76, 2,164,632.08 and 987,622.31 is: 1,363,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,901.76 : 2,164,632.08 = 987,622.31 : x
  2. Step 2: Convert to fraction form
    1,567,901.76/2,164,632.08 = 987,622.31/x
  3. Step 3: Cross multiply
    1,567,901.76x = 2,164,632.08 × 987,622.31
  4. Step 4: Simplify right side
    1,567,901.76x = 2,137,838,919,388.43
  5. Step 5: Solve for x
    x = 2,137,838,919,388.43/1,567,901.76
  6. Step 6: Final answer
    x = 1,363,503.11

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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.