Home / 1,182,690.89-1,632,114.08-638,826.67

Finding the Fourth Proportional to 1,182,690.89, 1,632,114.08 and 638,826.67

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Solution

The fourth proportional to 1,182,690.89, 1,632,114.08 and 638,826.67 is: 881,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,690.89 : 1,632,114.08 = 638,826.67 : x
  2. Step 2: Convert to fraction form
    1,182,690.89/1,632,114.08 = 638,826.67/x
  3. Step 3: Cross multiply
    1,182,690.89x = 1,632,114.08 × 638,826.67
  4. Step 4: Simplify right side
    1,182,690.89x = 1,042,638,002,231.42
  5. Step 5: Solve for x
    x = 1,042,638,002,231.42/1,182,690.89
  6. Step 6: Final answer
    x = 881,581.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.