Home / 1,229,967.12-1,845,483.54-660,684.03

Finding the Fourth Proportional to 1,229,967.12, 1,845,483.54 and 660,684.03

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Solution

The fourth proportional to 1,229,967.12, 1,845,483.54 and 660,684.03 is: 991,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,967.12 : 1,845,483.54 = 660,684.03 : x
  2. Step 2: Convert to fraction form
    1,229,967.12/1,845,483.54 = 660,684.03/x
  3. Step 3: Cross multiply
    1,229,967.12x = 1,845,483.54 × 660,684.03
  4. Step 4: Simplify right side
    1,229,967.12x = 1,219,281,502,505.87
  5. Step 5: Solve for x
    x = 1,219,281,502,505.87/1,229,967.12
  6. Step 6: Final answer
    x = 991,312.27

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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.