Home / 1,430,118-2,145,177-531,785.88

Finding the Fourth Proportional to 1,430,118, 2,145,177 and 531,785.88

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Solution

The fourth proportional to 1,430,118, 2,145,177 and 531,785.88 is: 797,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,118 : 2,145,177 = 531,785.88 : x
  2. Step 2: Convert to fraction form
    1,430,118/2,145,177 = 531,785.88/x
  3. Step 3: Cross multiply
    1,430,118x = 2,145,177 × 531,785.88
  4. Step 4: Simplify right side
    1,430,118x = 1,140,774,838,700.76
  5. Step 5: Solve for x
    x = 1,140,774,838,700.76/1,430,118
  6. Step 6: Final answer
    x = 797,678.82

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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.