Home / 1,007,650.64-1,390,319.10-571,971.08

Finding the Fourth Proportional to 1,007,650.64, 1,390,319.10 and 571,971.08

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Solution

The fourth proportional to 1,007,650.64, 1,390,319.10 and 571,971.08 is: 789,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,650.64 : 1,390,319.10 = 571,971.08 : x
  2. Step 2: Convert to fraction form
    1,007,650.64/1,390,319.10 = 571,971.08/x
  3. Step 3: Cross multiply
    1,007,650.64x = 1,390,319.10 × 571,971.08
  4. Step 4: Simplify right side
    1,007,650.64x = 795,222,317,171.63
  5. Step 5: Solve for x
    x = 795,222,317,171.63/1,007,650.64
  6. Step 6: Final answer
    x = 789,184.55

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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.