Home / 1,017,157.89-1,403,679.64-558,275.48

Finding the Fourth Proportional to 1,017,157.89, 1,403,679.64 and 558,275.48

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Solution

The fourth proportional to 1,017,157.89, 1,403,679.64 and 558,275.48 is: 770,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,157.89 : 1,403,679.64 = 558,275.48 : x
  2. Step 2: Convert to fraction form
    1,017,157.89/1,403,679.64 = 558,275.48/x
  3. Step 3: Cross multiply
    1,017,157.89x = 1,403,679.64 × 558,275.48
  4. Step 4: Simplify right side
    1,017,157.89x = 783,639,924,787.23
  5. Step 5: Solve for x
    x = 783,639,924,787.23/1,017,157.89
  6. Step 6: Final answer
    x = 770,421.12

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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.