Home / 1,336,495.95-2,004,643.11-425,641.61

Finding the Fourth Proportional to 1,336,495.95, 2,004,643.11 and 425,641.61

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Solution

The fourth proportional to 1,336,495.95, 2,004,643.11 and 425,641.61 is: 638,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,495.95 : 2,004,643.11 = 425,641.61 : x
  2. Step 2: Convert to fraction form
    1,336,495.95/2,004,643.11 = 425,641.61/x
  3. Step 3: Cross multiply
    1,336,495.95x = 2,004,643.11 × 425,641.61
  4. Step 4: Simplify right side
    1,336,495.95x = 853,259,520,887.71
  5. Step 5: Solve for x
    x = 853,259,520,887.71/1,336,495.95
  6. Step 6: Final answer
    x = 638,430.31

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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.