Home / 1,426,857.53-2,140,607.05-480,200.81

Finding the Fourth Proportional to 1,426,857.53, 2,140,607.05 and 480,200.81

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Solution

The fourth proportional to 1,426,857.53, 2,140,607.05 and 480,200.81 is: 720,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,857.53 : 2,140,607.05 = 480,200.81 : x
  2. Step 2: Convert to fraction form
    1,426,857.53/2,140,607.05 = 480,200.81/x
  3. Step 3: Cross multiply
    1,426,857.53x = 2,140,607.05 × 480,200.81
  4. Step 4: Simplify right side
    1,426,857.53x = 1,027,921,227,398.17
  5. Step 5: Solve for x
    x = 1,027,921,227,398.17/1,426,857.53
  6. Step 6: Final answer
    x = 720,409.16

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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.