Home / 1,476,780.60-2,215,055.70-578,047.80

Finding the Fourth Proportional to 1,476,780.60, 2,215,055.70 and 578,047.80

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Solution

The fourth proportional to 1,476,780.60, 2,215,055.70 and 578,047.80 is: 867,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,780.60 : 2,215,055.70 = 578,047.80 : x
  2. Step 2: Convert to fraction form
    1,476,780.60/2,215,055.70 = 578,047.80/x
  3. Step 3: Cross multiply
    1,476,780.60x = 2,215,055.70 × 578,047.80
  4. Step 4: Simplify right side
    1,476,780.60x = 1,280,408,074,262.46
  5. Step 5: Solve for x
    x = 1,280,408,074,262.46/1,476,780.60
  6. Step 6: Final answer
    x = 867,026.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.