Home / 1,017,120.75-1,403,692.25-564,411.75

Finding the Fourth Proportional to 1,017,120.75, 1,403,692.25 and 564,411.75

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Solution

The fourth proportional to 1,017,120.75, 1,403,692.25 and 564,411.75 is: 778,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,120.75 : 1,403,692.25 = 564,411.75 : x
  2. Step 2: Convert to fraction form
    1,017,120.75/1,403,692.25 = 564,411.75/x
  3. Step 3: Cross multiply
    1,017,120.75x = 1,403,692.25 × 564,411.75
  4. Step 4: Simplify right side
    1,017,120.75x = 792,260,396,461.88
  5. Step 5: Solve for x
    x = 792,260,396,461.88/1,017,120.75
  6. Step 6: Final answer
    x = 778,924.62

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Double scale
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1.5x scale

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.