Home / 1,159,402.01-1,599,973.36-643,234.16

Finding the Fourth Proportional to 1,159,402.01, 1,599,973.36 and 643,234.16

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Solution

The fourth proportional to 1,159,402.01, 1,599,973.36 and 643,234.16 is: 887,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,402.01 : 1,599,973.36 = 643,234.16 : x
  2. Step 2: Convert to fraction form
    1,159,402.01/1,599,973.36 = 643,234.16/x
  3. Step 3: Cross multiply
    1,159,402.01x = 1,599,973.36 × 643,234.16
  4. Step 4: Simplify right side
    1,159,402.01x = 1,029,157,522,633.83
  5. Step 5: Solve for x
    x = 1,029,157,522,633.83/1,159,402.01
  6. Step 6: Final answer
    x = 887,662.36

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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.