Home / 993,758.40-1,490,637.60-769,809.60

Finding the Fourth Proportional to 993,758.40, 1,490,637.60 and 769,809.60

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Solution

The fourth proportional to 993,758.40, 1,490,637.60 and 769,809.60 is: 1,154,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,758.40 : 1,490,637.60 = 769,809.60 : x
  2. Step 2: Convert to fraction form
    993,758.40/1,490,637.60 = 769,809.60/x
  3. Step 3: Cross multiply
    993,758.40x = 1,490,637.60 × 769,809.60
  4. Step 4: Simplify right side
    993,758.40x = 1,147,507,134,600.96
  5. Step 5: Solve for x
    x = 1,147,507,134,600.96/993,758.40
  6. Step 6: Final answer
    x = 1,154,714.40

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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.