Home / 1,222,565.54-1,833,841.02-665,142.98

Finding the Fourth Proportional to 1,222,565.54, 1,833,841.02 and 665,142.98

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Solution

The fourth proportional to 1,222,565.54, 1,833,841.02 and 665,142.98 is: 997,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,565.54 : 1,833,841.02 = 665,142.98 : x
  2. Step 2: Convert to fraction form
    1,222,565.54/1,833,841.02 = 665,142.98/x
  3. Step 3: Cross multiply
    1,222,565.54x = 1,833,841.02 × 665,142.98
  4. Step 4: Simplify right side
    1,222,565.54x = 1,219,766,480,889.04
  5. Step 5: Solve for x
    x = 1,219,766,480,889.04/1,222,565.54
  6. Step 6: Final answer
    x = 997,710.50

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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.