Home / 1,010,295.42-1,518,690.96-812,809.32

Finding the Fourth Proportional to 1,010,295.42, 1,518,690.96 and 812,809.32

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Solution

The fourth proportional to 1,010,295.42, 1,518,690.96 and 812,809.32 is: 1,221,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,295.42 : 1,518,690.96 = 812,809.32 : x
  2. Step 2: Convert to fraction form
    1,010,295.42/1,518,690.96 = 812,809.32/x
  3. Step 3: Cross multiply
    1,010,295.42x = 1,518,690.96 × 812,809.32
  4. Step 4: Simplify right side
    1,010,295.42x = 1,234,406,166,487.75
  5. Step 5: Solve for x
    x = 1,234,406,166,487.75/1,010,295.42
  6. Step 6: Final answer
    x = 1,221,826.94

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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.