Home / 1,357,263.29-2,036,239.54-628,312.03

Finding the Fourth Proportional to 1,357,263.29, 2,036,239.54 and 628,312.03

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Solution

The fourth proportional to 1,357,263.29, 2,036,239.54 and 628,312.03 is: 942,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,263.29 : 2,036,239.54 = 628,312.03 : x
  2. Step 2: Convert to fraction form
    1,357,263.29/2,036,239.54 = 628,312.03/x
  3. Step 3: Cross multiply
    1,357,263.29x = 2,036,239.54 × 628,312.03
  4. Step 4: Simplify right side
    1,357,263.29x = 1,279,393,792,282.29
  5. Step 5: Solve for x
    x = 1,279,393,792,282.29/1,357,263.29
  6. Step 6: Final answer
    x = 942,627.56

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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.