Home / 1,281,054.76-1,768,031.36-737,179.45

Finding the Fourth Proportional to 1,281,054.76, 1,768,031.36 and 737,179.45

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Solution

The fourth proportional to 1,281,054.76, 1,768,031.36 and 737,179.45 is: 1,017,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,054.76 : 1,768,031.36 = 737,179.45 : x
  2. Step 2: Convert to fraction form
    1,281,054.76/1,768,031.36 = 737,179.45/x
  3. Step 3: Cross multiply
    1,281,054.76x = 1,768,031.36 × 737,179.45
  4. Step 4: Simplify right side
    1,281,054.76x = 1,303,356,385,547.55
  5. Step 5: Solve for x
    x = 1,303,356,385,547.55/1,281,054.76
  6. Step 6: Final answer
    x = 1,017,408.80

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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.