Home / 1,193,820-1,648,871.28-790,712.16

Finding the Fourth Proportional to 1,193,820, 1,648,871.28 and 790,712.16

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Solution

The fourth proportional to 1,193,820, 1,648,871.28 and 790,712.16 is: 1,092,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,820 : 1,648,871.28 = 790,712.16 : x
  2. Step 2: Convert to fraction form
    1,193,820/1,648,871.28 = 790,712.16/x
  3. Step 3: Cross multiply
    1,193,820x = 1,648,871.28 × 790,712.16
  4. Step 4: Simplify right side
    1,193,820x = 1,303,782,571,370.76
  5. Step 5: Solve for x
    x = 1,303,782,571,370.76/1,193,820
  6. Step 6: Final answer
    x = 1,092,109.84

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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.