Home / 1,069,171.12-1,603,756.14-429,474.46

Finding the Fourth Proportional to 1,069,171.12, 1,603,756.14 and 429,474.46

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Solution

The fourth proportional to 1,069,171.12, 1,603,756.14 and 429,474.46 is: 644,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,171.12 : 1,603,756.14 = 429,474.46 : x
  2. Step 2: Convert to fraction form
    1,069,171.12/1,603,756.14 = 429,474.46/x
  3. Step 3: Cross multiply
    1,069,171.12x = 1,603,756.14 × 429,474.46
  4. Step 4: Simplify right side
    1,069,171.12x = 688,772,302,198.19
  5. Step 5: Solve for x
    x = 688,772,302,198.19/1,069,171.12
  6. Step 6: Final answer
    x = 644,211.47

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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.