Home / 1,001,045.40-1,501,422.30-290,999.40

Finding the Fourth Proportional to 1,001,045.40, 1,501,422.30 and 290,999.40

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Solution

The fourth proportional to 1,001,045.40, 1,501,422.30 and 290,999.40 is: 436,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,045.40 : 1,501,422.30 = 290,999.40 : x
  2. Step 2: Convert to fraction form
    1,001,045.40/1,501,422.30 = 290,999.40/x
  3. Step 3: Cross multiply
    1,001,045.40x = 1,501,422.30 × 290,999.40
  4. Step 4: Simplify right side
    1,001,045.40x = 436,912,988,446.62
  5. Step 5: Solve for x
    x = 436,912,988,446.62/1,001,045.40
  6. Step 6: Final answer
    x = 436,456.72

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Double scale
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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.