Home / 1,118,280.06-1,677,181.92-319,349.52

Finding the Fourth Proportional to 1,118,280.06, 1,677,181.92 and 319,349.52

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Solution

The fourth proportional to 1,118,280.06, 1,677,181.92 and 319,349.52 is: 478,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,280.06 : 1,677,181.92 = 319,349.52 : x
  2. Step 2: Convert to fraction form
    1,118,280.06/1,677,181.92 = 319,349.52/x
  3. Step 3: Cross multiply
    1,118,280.06x = 1,677,181.92 × 319,349.52
  4. Step 4: Simplify right side
    1,118,280.06x = 535,607,241,104.68
  5. Step 5: Solve for x
    x = 535,607,241,104.68/1,118,280.06
  6. Step 6: Final answer
    x = 478,956.27

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1.5x scale

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.