Home / 1,555,462.10-2,146,537.21-840,070.10

Finding the Fourth Proportional to 1,555,462.10, 2,146,537.21 and 840,070.10

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Solution

The fourth proportional to 1,555,462.10, 2,146,537.21 and 840,070.10 is: 1,159,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,462.10 : 2,146,537.21 = 840,070.10 : x
  2. Step 2: Convert to fraction form
    1,555,462.10/2,146,537.21 = 840,070.10/x
  3. Step 3: Cross multiply
    1,555,462.10x = 2,146,537.21 × 840,070.10
  4. Step 4: Simplify right side
    1,555,462.10x = 1,803,241,728,658.42
  5. Step 5: Solve for x
    x = 1,803,241,728,658.42/1,555,462.10
  6. Step 6: Final answer
    x = 1,159,296.47

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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.