Home / 919,827.32-1,379,970.92-904,570.56

Finding the Fourth Proportional to 919,827.32, 1,379,970.92 and 904,570.56

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Solution

The fourth proportional to 919,827.32, 1,379,970.92 and 904,570.56 is: 1,357,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,827.32 : 1,379,970.92 = 904,570.56 : x
  2. Step 2: Convert to fraction form
    919,827.32/1,379,970.92 = 904,570.56/x
  3. Step 3: Cross multiply
    919,827.32x = 1,379,970.92 × 904,570.56
  4. Step 4: Simplify right side
    919,827.32x = 1,248,281,067,888.12
  5. Step 5: Solve for x
    x = 1,248,281,067,888.12/919,827.32
  6. Step 6: Final answer
    x = 1,357,081.97

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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.