Home / 1,018,112.65-1,404,956.96-565,432.81

Finding the Fourth Proportional to 1,018,112.65, 1,404,956.96 and 565,432.81

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Solution

The fourth proportional to 1,018,112.65, 1,404,956.96 and 565,432.81 is: 780,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,112.65 : 1,404,956.96 = 565,432.81 : x
  2. Step 2: Convert to fraction form
    1,018,112.65/1,404,956.96 = 565,432.81/x
  3. Step 3: Cross multiply
    1,018,112.65x = 1,404,956.96 × 565,432.81
  4. Step 4: Simplify right side
    1,018,112.65x = 794,408,761,821.86
  5. Step 5: Solve for x
    x = 794,408,761,821.86/1,018,112.65
  6. Step 6: Final answer
    x = 780,275.90

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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.