Home / 1,017,108-1,403,652.78-564,399

Finding the Fourth Proportional to 1,017,108, 1,403,652.78 and 564,399

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Solution

The fourth proportional to 1,017,108, 1,403,652.78 and 564,399 is: 778,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,108 : 1,403,652.78 = 564,399 : x
  2. Step 2: Convert to fraction form
    1,017,108/1,403,652.78 = 564,399/x
  3. Step 3: Cross multiply
    1,017,108x = 1,403,652.78 × 564,399
  4. Step 4: Simplify right side
    1,017,108x = 792,220,225,379.22
  5. Step 5: Solve for x
    x = 792,220,225,379.22/1,017,108
  6. Step 6: Final answer
    x = 778,894.89

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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.