Home / 1,359,518.10-2,039,277.15-828,077.10

Finding the Fourth Proportional to 1,359,518.10, 2,039,277.15 and 828,077.10

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Solution

The fourth proportional to 1,359,518.10, 2,039,277.15 and 828,077.10 is: 1,242,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,518.10 : 2,039,277.15 = 828,077.10 : x
  2. Step 2: Convert to fraction form
    1,359,518.10/2,039,277.15 = 828,077.10/x
  3. Step 3: Cross multiply
    1,359,518.10x = 2,039,277.15 × 828,077.10
  4. Step 4: Simplify right side
    1,359,518.10x = 1,688,678,708,468.27
  5. Step 5: Solve for x
    x = 1,688,678,708,468.27/1,359,518.10
  6. Step 6: Final answer
    x = 1,242,115.65

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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.