Home / 1,314,007.20-1,970,434.80-603,799.20

Finding the Fourth Proportional to 1,314,007.20, 1,970,434.80 and 603,799.20

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Solution

The fourth proportional to 1,314,007.20, 1,970,434.80 and 603,799.20 is: 905,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,007.20 : 1,970,434.80 = 603,799.20 : x
  2. Step 2: Convert to fraction form
    1,314,007.20/1,970,434.80 = 603,799.20/x
  3. Step 3: Cross multiply
    1,314,007.20x = 1,970,434.80 × 603,799.20
  4. Step 4: Simplify right side
    1,314,007.20x = 1,189,746,955,892.16
  5. Step 5: Solve for x
    x = 1,189,746,955,892.16/1,314,007.20
  6. Step 6: Final answer
    x = 905,434.12

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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.