Home / 1,017,278.16-1,403,847.72-564,569.16

Finding the Fourth Proportional to 1,017,278.16, 1,403,847.72 and 564,569.16

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Solution

The fourth proportional to 1,017,278.16, 1,403,847.72 and 564,569.16 is: 779,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,278.16 : 1,403,847.72 = 564,569.16 : x
  2. Step 2: Convert to fraction form
    1,017,278.16/1,403,847.72 = 564,569.16/x
  3. Step 3: Cross multiply
    1,017,278.16x = 1,403,847.72 × 564,569.16
  4. Step 4: Simplify right side
    1,017,278.16x = 792,569,128,048.32
  5. Step 5: Solve for x
    x = 792,569,128,048.32/1,017,278.16
  6. Step 6: Final answer
    x = 779,107.58

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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.