Home / 1,113,487.10-1,670,230.65-830,051.90

Finding the Fourth Proportional to 1,113,487.10, 1,670,230.65 and 830,051.90

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Solution

The fourth proportional to 1,113,487.10, 1,670,230.65 and 830,051.90 is: 1,245,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,487.10 : 1,670,230.65 = 830,051.90 : x
  2. Step 2: Convert to fraction form
    1,113,487.10/1,670,230.65 = 830,051.90/x
  3. Step 3: Cross multiply
    1,113,487.10x = 1,670,230.65 × 830,051.90
  4. Step 4: Simplify right side
    1,113,487.10x = 1,386,378,124,470.73
  5. Step 5: Solve for x
    x = 1,386,378,124,470.73/1,113,487.10
  6. Step 6: Final answer
    x = 1,245,077.85

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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.