Home / 993,911.70-1,490,867.55-883,686.90

Finding the Fourth Proportional to 993,911.70, 1,490,867.55 and 883,686.90

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Solution

The fourth proportional to 993,911.70, 1,490,867.55 and 883,686.90 is: 1,325,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,911.70 : 1,490,867.55 = 883,686.90 : x
  2. Step 2: Convert to fraction form
    993,911.70/1,490,867.55 = 883,686.90/x
  3. Step 3: Cross multiply
    993,911.70x = 1,490,867.55 × 883,686.90
  4. Step 4: Simplify right side
    993,911.70x = 1,317,460,123,570.10
  5. Step 5: Solve for x
    x = 1,317,460,123,570.10/993,911.70
  6. Step 6: Final answer
    x = 1,325,530.35

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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.