Home / 1,281,972-1,769,666.08-798,775.87

Finding the Fourth Proportional to 1,281,972, 1,769,666.08 and 798,775.87

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Solution

The fourth proportional to 1,281,972, 1,769,666.08 and 798,775.87 is: 1,102,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,972 : 1,769,666.08 = 798,775.87 : x
  2. Step 2: Convert to fraction form
    1,281,972/1,769,666.08 = 798,775.87/x
  3. Step 3: Cross multiply
    1,281,972x = 1,769,666.08 × 798,775.87
  4. Step 4: Simplify right side
    1,281,972x = 1,413,566,562,661.49
  5. Step 5: Solve for x
    x = 1,413,566,562,661.49/1,281,972
  6. Step 6: Final answer
    x = 1,102,650.11

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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.