Home / 1,342,259.22-2,013,389.22-1,105,103.76

Finding the Fourth Proportional to 1,342,259.22, 2,013,389.22 and 1,105,103.76

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Solution

The fourth proportional to 1,342,259.22, 2,013,389.22 and 1,105,103.76 is: 1,657,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,259.22 : 2,013,389.22 = 1,105,103.76 : x
  2. Step 2: Convert to fraction form
    1,342,259.22/2,013,389.22 = 1,105,103.76/x
  3. Step 3: Cross multiply
    1,342,259.22x = 2,013,389.22 × 1,105,103.76
  4. Step 4: Simplify right side
    1,342,259.22x = 2,225,003,997,365.47
  5. Step 5: Solve for x
    x = 2,225,003,997,365.47/1,342,259.22
  6. Step 6: Final answer
    x = 1,657,655.96

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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.