Home / 1,070,113.08-1,605,153.66-260,503.56

Finding the Fourth Proportional to 1,070,113.08, 1,605,153.66 and 260,503.56

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Solution

The fourth proportional to 1,070,113.08, 1,605,153.66 and 260,503.56 is: 390,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,113.08 : 1,605,153.66 = 260,503.56 : x
  2. Step 2: Convert to fraction form
    1,070,113.08/1,605,153.66 = 260,503.56/x
  3. Step 3: Cross multiply
    1,070,113.08x = 1,605,153.66 × 260,503.56
  4. Step 4: Simplify right side
    1,070,113.08x = 418,148,242,777.03
  5. Step 5: Solve for x
    x = 418,148,242,777.03/1,070,113.08
  6. Step 6: Final answer
    x = 390,751.45

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Double scale
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Similar ratio
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1.5x scale

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.