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Finding the Fourth Proportional to 988,801.59, 1,364,573.07 and 559,146

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Solution

The fourth proportional to 988,801.59, 1,364,573.07 and 559,146 is: 771,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,801.59 : 1,364,573.07 = 559,146 : x
  2. Step 2: Convert to fraction form
    988,801.59/1,364,573.07 = 559,146/x
  3. Step 3: Cross multiply
    988,801.59x = 1,364,573.07 × 559,146
  4. Step 4: Simplify right side
    988,801.59x = 762,995,573,798.22
  5. Step 5: Solve for x
    x = 762,995,573,798.22/988,801.59
  6. Step 6: Final answer
    x = 771,636.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.