Home / 1,418,952.60-2,128,428.90-520,095.60

Finding the Fourth Proportional to 1,418,952.60, 2,128,428.90 and 520,095.60

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Solution

The fourth proportional to 1,418,952.60, 2,128,428.90 and 520,095.60 is: 780,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,952.60 : 2,128,428.90 = 520,095.60 : x
  2. Step 2: Convert to fraction form
    1,418,952.60/2,128,428.90 = 520,095.60/x
  3. Step 3: Cross multiply
    1,418,952.60x = 2,128,428.90 × 520,095.60
  4. Step 4: Simplify right side
    1,418,952.60x = 1,106,986,505,802.84
  5. Step 5: Solve for x
    x = 1,106,986,505,802.84/1,418,952.60
  6. Step 6: Final answer
    x = 780,143.40

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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.