Home / 1,281,053.76-1,768,029.98-737,178.45

Finding the Fourth Proportional to 1,281,053.76, 1,768,029.98 and 737,178.45

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Solution

The fourth proportional to 1,281,053.76, 1,768,029.98 and 737,178.45 is: 1,017,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,053.76 : 1,768,029.98 = 737,178.45 : x
  2. Step 2: Convert to fraction form
    1,281,053.76/1,768,029.98 = 737,178.45/x
  3. Step 3: Cross multiply
    1,281,053.76x = 1,768,029.98 × 737,178.45
  4. Step 4: Simplify right side
    1,281,053.76x = 1,303,353,596,524.04
  5. Step 5: Solve for x
    x = 1,303,353,596,524.04/1,281,053.76
  6. Step 6: Final answer
    x = 1,017,407.42

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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.