Home / 920,027.40-1,377,416.70-815,051.40

Finding the Fourth Proportional to 920,027.40, 1,377,416.70 and 815,051.40

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Solution

The fourth proportional to 920,027.40, 1,377,416.70 and 815,051.40 is: 1,220,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,027.40 : 1,377,416.70 = 815,051.40 : x
  2. Step 2: Convert to fraction form
    920,027.40/1,377,416.70 = 815,051.40/x
  3. Step 3: Cross multiply
    920,027.40x = 1,377,416.70 × 815,051.40
  4. Step 4: Simplify right side
    920,027.40x = 1,122,665,409,718.38
  5. Step 5: Solve for x
    x = 1,122,665,409,718.38/920,027.40
  6. Step 6: Final answer
    x = 1,220,252.15

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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.