Home / 1,020,876.56-1,408,798.19-561,981.32

Finding the Fourth Proportional to 1,020,876.56, 1,408,798.19 and 561,981.32

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Solution

The fourth proportional to 1,020,876.56, 1,408,798.19 and 561,981.32 is: 775,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,876.56 : 1,408,798.19 = 561,981.32 : x
  2. Step 2: Convert to fraction form
    1,020,876.56/1,408,798.19 = 561,981.32/x
  3. Step 3: Cross multiply
    1,020,876.56x = 1,408,798.19 × 561,981.32
  4. Step 4: Simplify right side
    1,020,876.56x = 791,718,260,790.77
  5. Step 5: Solve for x
    x = 791,718,260,790.77/1,020,876.56
  6. Step 6: Final answer
    x = 775,527.91

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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.