Home / 1,495,003.80-2,239,832.70-909,697.80

Finding the Fourth Proportional to 1,495,003.80, 2,239,832.70 and 909,697.80

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Solution

The fourth proportional to 1,495,003.80, 2,239,832.70 and 909,697.80 is: 1,362,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,003.80 : 2,239,832.70 = 909,697.80 : x
  2. Step 2: Convert to fraction form
    1,495,003.80/2,239,832.70 = 909,697.80/x
  3. Step 3: Cross multiply
    1,495,003.80x = 2,239,832.70 × 909,697.80
  4. Step 4: Simplify right side
    1,495,003.80x = 2,037,570,879,558.06
  5. Step 5: Solve for x
    x = 2,037,570,879,558.06/1,495,003.80
  6. Step 6: Final answer
    x = 1,362,920.20

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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.