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Finding the Fourth Proportional to 1,078,963, 1,488,968.94 and 602,035

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Solution

The fourth proportional to 1,078,963, 1,488,968.94 and 602,035 is: 830,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,963 : 1,488,968.94 = 602,035 : x
  2. Step 2: Convert to fraction form
    1,078,963/1,488,968.94 = 602,035/x
  3. Step 3: Cross multiply
    1,078,963x = 1,488,968.94 × 602,035
  4. Step 4: Simplify right side
    1,078,963x = 896,411,415,792.90
  5. Step 5: Solve for x
    x = 896,411,415,792.90/1,078,963
  6. Step 6: Final answer
    x = 830,808.30

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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.