Home / 1,020,009.70-1,526,515.35-936,028.90

Finding the Fourth Proportional to 1,020,009.70, 1,526,515.35 and 936,028.90

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Solution

The fourth proportional to 1,020,009.70, 1,526,515.35 and 936,028.90 is: 1,400,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,009.70 : 1,526,515.35 = 936,028.90 : x
  2. Step 2: Convert to fraction form
    1,020,009.70/1,526,515.35 = 936,028.90/x
  3. Step 3: Cross multiply
    1,020,009.70x = 1,526,515.35 × 936,028.90
  4. Step 4: Simplify right side
    1,020,009.70x = 1,428,862,483,893.62
  5. Step 5: Solve for x
    x = 1,428,862,483,893.62/1,020,009.70
  6. Step 6: Final answer
    x = 1,400,832.25

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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.