Home / 1,379,502.57-2,069,229.96-620,807.16

Finding the Fourth Proportional to 1,379,502.57, 2,069,229.96 and 620,807.16

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Solution

The fourth proportional to 1,379,502.57, 2,069,229.96 and 620,807.16 is: 931,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,502.57 : 2,069,229.96 = 620,807.16 : x
  2. Step 2: Convert to fraction form
    1,379,502.57/2,069,229.96 = 620,807.16/x
  3. Step 3: Cross multiply
    1,379,502.57x = 2,069,229.96 × 620,807.16
  4. Step 4: Simplify right side
    1,379,502.57x = 1,284,592,774,854.51
  5. Step 5: Solve for x
    x = 1,284,592,774,854.51/1,379,502.57
  6. Step 6: Final answer
    x = 931,199.99

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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.