Home / 1,555,438.10-2,146,504.13-840,046.10

Finding the Fourth Proportional to 1,555,438.10, 2,146,504.13 and 840,046.10

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Solution

The fourth proportional to 1,555,438.10, 2,146,504.13 and 840,046.10 is: 1,159,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,438.10 : 2,146,504.13 = 840,046.10 : x
  2. Step 2: Convert to fraction form
    1,555,438.10/2,146,504.13 = 840,046.10/x
  3. Step 3: Cross multiply
    1,555,438.10x = 2,146,504.13 × 840,046.10
  4. Step 4: Simplify right side
    1,555,438.10x = 1,803,162,423,040.39
  5. Step 5: Solve for x
    x = 1,803,162,423,040.39/1,555,438.10
  6. Step 6: Final answer
    x = 1,159,263.38

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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.