Home / 1,409,891.76-2,116,937.16-570,083.76

Finding the Fourth Proportional to 1,409,891.76, 2,116,937.16 and 570,083.76

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Solution

The fourth proportional to 1,409,891.76, 2,116,937.16 and 570,083.76 is: 855,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,891.76 : 2,116,937.16 = 570,083.76 : x
  2. Step 2: Convert to fraction form
    1,409,891.76/2,116,937.16 = 570,083.76/x
  3. Step 3: Cross multiply
    1,409,891.76x = 2,116,937.16 × 570,083.76
  4. Step 4: Simplify right side
    1,409,891.76x = 1,206,831,495,856.52
  5. Step 5: Solve for x
    x = 1,206,831,495,856.52/1,409,891.76
  6. Step 6: Final answer
    x = 855,974.57

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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.