Home / 1,005,266.85-1,507,900.28-445,394.85

Finding the Fourth Proportional to 1,005,266.85, 1,507,900.28 and 445,394.85

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Solution

The fourth proportional to 1,005,266.85, 1,507,900.28 and 445,394.85 is: 668,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,266.85 : 1,507,900.28 = 445,394.85 : x
  2. Step 2: Convert to fraction form
    1,005,266.85/1,507,900.28 = 445,394.85/x
  3. Step 3: Cross multiply
    1,005,266.85x = 1,507,900.28 × 445,394.85
  4. Step 4: Simplify right side
    1,005,266.85x = 671,611,016,798.58
  5. Step 5: Solve for x
    x = 671,611,016,798.58/1,005,266.85
  6. Step 6: Final answer
    x = 668,092.28

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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.