Home / 1,070,342.84-1,605,506.96-260,717.40

Finding the Fourth Proportional to 1,070,342.84, 1,605,506.96 and 260,717.40

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Solution

The fourth proportional to 1,070,342.84, 1,605,506.96 and 260,717.40 is: 391,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,342.84 : 1,605,506.96 = 260,717.40 : x
  2. Step 2: Convert to fraction form
    1,070,342.84/1,605,506.96 = 260,717.40/x
  3. Step 3: Cross multiply
    1,070,342.84x = 1,605,506.96 × 260,717.40
  4. Step 4: Simplify right side
    1,070,342.84x = 418,583,600,944.90
  5. Step 5: Solve for x
    x = 418,583,600,944.90/1,070,342.84
  6. Step 6: Final answer
    x = 391,074.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.