Home / 1,012,117.70-1,518,176.55-988,789.70

Finding the Fourth Proportional to 1,012,117.70, 1,518,176.55 and 988,789.70

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Solution

The fourth proportional to 1,012,117.70, 1,518,176.55 and 988,789.70 is: 1,483,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,117.70 : 1,518,176.55 = 988,789.70 : x
  2. Step 2: Convert to fraction form
    1,012,117.70/1,518,176.55 = 988,789.70/x
  3. Step 3: Cross multiply
    1,012,117.70x = 1,518,176.55 × 988,789.70
  4. Step 4: Simplify right side
    1,012,117.70x = 1,501,157,335,421.54
  5. Step 5: Solve for x
    x = 1,501,157,335,421.54/1,012,117.70
  6. Step 6: Final answer
    x = 1,483,184.55

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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.