Home / 1,438,918.65-2,158,627.32-586,454.06

Finding the Fourth Proportional to 1,438,918.65, 2,158,627.32 and 586,454.06

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Solution

The fourth proportional to 1,438,918.65, 2,158,627.32 and 586,454.06 is: 879,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,918.65 : 2,158,627.32 = 586,454.06 : x
  2. Step 2: Convert to fraction form
    1,438,918.65/2,158,627.32 = 586,454.06/x
  3. Step 3: Cross multiply
    1,438,918.65x = 2,158,627.32 × 586,454.06
  4. Step 4: Simplify right side
    1,438,918.65x = 1,265,935,755,840.92
  5. Step 5: Solve for x
    x = 1,265,935,755,840.92/1,438,918.65
  6. Step 6: Final answer
    x = 879,782.71

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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.