Home / 1,312,088.20-1,810,699.92-731,295.24

Finding the Fourth Proportional to 1,312,088.20, 1,810,699.92 and 731,295.24

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Solution

The fourth proportional to 1,312,088.20, 1,810,699.92 and 731,295.24 is: 1,009,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,088.20 : 1,810,699.92 = 731,295.24 : x
  2. Step 2: Convert to fraction form
    1,312,088.20/1,810,699.92 = 731,295.24/x
  3. Step 3: Cross multiply
    1,312,088.20x = 1,810,699.92 × 731,295.24
  4. Step 4: Simplify right side
    1,312,088.20x = 1,324,156,232,564.38
  5. Step 5: Solve for x
    x = 1,324,156,232,564.38/1,312,088.20
  6. Step 6: Final answer
    x = 1,009,197.58

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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.