Home / 1,551,215.10-2,326,895.55-486,291.90

Finding the Fourth Proportional to 1,551,215.10, 2,326,895.55 and 486,291.90

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Solution

The fourth proportional to 1,551,215.10, 2,326,895.55 and 486,291.90 is: 729,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,215.10 : 2,326,895.55 = 486,291.90 : x
  2. Step 2: Convert to fraction form
    1,551,215.10/2,326,895.55 = 486,291.90/x
  3. Step 3: Cross multiply
    1,551,215.10x = 2,326,895.55 × 486,291.90
  4. Step 4: Simplify right side
    1,551,215.10x = 1,131,550,458,111.05
  5. Step 5: Solve for x
    x = 1,131,550,458,111.05/1,551,215.10
  6. Step 6: Final answer
    x = 729,460.70

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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.