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Finding the Fourth Proportional to 1,078,962, 1,488,967.56 and 602,034

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Solution

The fourth proportional to 1,078,962, 1,488,967.56 and 602,034 is: 830,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,962 : 1,488,967.56 = 602,034 : x
  2. Step 2: Convert to fraction form
    1,078,962/1,488,967.56 = 602,034/x
  3. Step 3: Cross multiply
    1,078,962x = 1,488,967.56 × 602,034
  4. Step 4: Simplify right side
    1,078,962x = 896,409,096,017.04
  5. Step 5: Solve for x
    x = 896,409,096,017.04/1,078,962
  6. Step 6: Final answer
    x = 830,806.92

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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.