Home / 993,743.70-1,490,615.55-905,097.30

Finding the Fourth Proportional to 993,743.70, 1,490,615.55 and 905,097.30

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Solution

The fourth proportional to 993,743.70, 1,490,615.55 and 905,097.30 is: 1,357,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,743.70 : 1,490,615.55 = 905,097.30 : x
  2. Step 2: Convert to fraction form
    993,743.70/1,490,615.55 = 905,097.30/x
  3. Step 3: Cross multiply
    993,743.70x = 1,490,615.55 × 905,097.30
  4. Step 4: Simplify right side
    993,743.70x = 1,349,152,109,643.02
  5. Step 5: Solve for x
    x = 1,349,152,109,643.02/993,743.70
  6. Step 6: Final answer
    x = 1,357,645.95

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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.