Home / 1,001,271.20-1,501,906.80-291,322.40

Finding the Fourth Proportional to 1,001,271.20, 1,501,906.80 and 291,322.40

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Solution

The fourth proportional to 1,001,271.20, 1,501,906.80 and 291,322.40 is: 436,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,271.20 : 1,501,906.80 = 291,322.40 : x
  2. Step 2: Convert to fraction form
    1,001,271.20/1,501,906.80 = 291,322.40/x
  3. Step 3: Cross multiply
    1,001,271.20x = 1,501,906.80 × 291,322.40
  4. Step 4: Simplify right side
    1,001,271.20x = 437,539,093,552.32
  5. Step 5: Solve for x
    x = 437,539,093,552.32/1,001,271.20
  6. Step 6: Final answer
    x = 436,983.60

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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.