Home / 1,017,115.31-1,403,684.74-564,406.31

Finding the Fourth Proportional to 1,017,115.31, 1,403,684.74 and 564,406.31

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Solution

The fourth proportional to 1,017,115.31, 1,403,684.74 and 564,406.31 is: 778,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,115.31 : 1,403,684.74 = 564,406.31 : x
  2. Step 2: Convert to fraction form
    1,017,115.31/1,403,684.74 = 564,406.31/x
  3. Step 3: Cross multiply
    1,017,115.31x = 1,403,684.74 × 564,406.31
  4. Step 4: Simplify right side
    1,017,115.31x = 792,248,528,721.43
  5. Step 5: Solve for x
    x = 792,248,528,721.43/1,017,115.31
  6. Step 6: Final answer
    x = 778,917.12

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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.