Home / 1,020,272.10-1,529,570.07-699,538.02

Finding the Fourth Proportional to 1,020,272.10, 1,529,570.07 and 699,538.02

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Solution

The fourth proportional to 1,020,272.10, 1,529,570.07 and 699,538.02 is: 1,048,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,272.10 : 1,529,570.07 = 699,538.02 : x
  2. Step 2: Convert to fraction form
    1,020,272.10/1,529,570.07 = 699,538.02/x
  3. Step 3: Cross multiply
    1,020,272.10x = 1,529,570.07 × 699,538.02
  4. Step 4: Simplify right side
    1,020,272.10x = 1,069,992,418,219.06
  5. Step 5: Solve for x
    x = 1,069,992,418,219.06/1,020,272.10
  6. Step 6: Final answer
    x = 1,048,732.41

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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.