Home / 1,110,462.18-1,666,356.87-1,020,117.21

Finding the Fourth Proportional to 1,110,462.18, 1,666,356.87 and 1,020,117.21

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Solution

The fourth proportional to 1,110,462.18, 1,666,356.87 and 1,020,117.21 is: 1,530,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,462.18 : 1,666,356.87 = 1,020,117.21 : x
  2. Step 2: Convert to fraction form
    1,110,462.18/1,666,356.87 = 1,020,117.21/x
  3. Step 3: Cross multiply
    1,110,462.18x = 1,666,356.87 × 1,020,117.21
  4. Step 4: Simplify right side
    1,110,462.18x = 1,699,879,321,088.73
  5. Step 5: Solve for x
    x = 1,699,879,321,088.73/1,110,462.18
  6. Step 6: Final answer
    x = 1,530,785.43

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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.