Home / 1,017,156.89-1,403,678.26-558,274.48

Finding the Fourth Proportional to 1,017,156.89, 1,403,678.26 and 558,274.48

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Solution

The fourth proportional to 1,017,156.89, 1,403,678.26 and 558,274.48 is: 770,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,156.89 : 1,403,678.26 = 558,274.48 : x
  2. Step 2: Convert to fraction form
    1,017,156.89/1,403,678.26 = 558,274.48/x
  3. Step 3: Cross multiply
    1,017,156.89x = 1,403,678.26 × 558,274.48
  4. Step 4: Simplify right side
    1,017,156.89x = 783,637,747,877.45
  5. Step 5: Solve for x
    x = 783,637,747,877.45/1,017,156.89
  6. Step 6: Final answer
    x = 770,419.74

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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.