Home / 1,260,247.21-1,739,072.03-716,307.50

Finding the Fourth Proportional to 1,260,247.21, 1,739,072.03 and 716,307.50

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Solution

The fourth proportional to 1,260,247.21, 1,739,072.03 and 716,307.50 is: 988,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,247.21 : 1,739,072.03 = 716,307.50 : x
  2. Step 2: Convert to fraction form
    1,260,247.21/1,739,072.03 = 716,307.50/x
  3. Step 3: Cross multiply
    1,260,247.21x = 1,739,072.03 × 716,307.50
  4. Step 4: Simplify right side
    1,260,247.21x = 1,245,710,338,895.37
  5. Step 5: Solve for x
    x = 1,245,710,338,895.37/1,260,247.21
  6. Step 6: Final answer
    x = 988,465.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.