Home / 1,284,510.90-1,773,441.82-801,785.32

Finding the Fourth Proportional to 1,284,510.90, 1,773,441.82 and 801,785.32

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Solution

The fourth proportional to 1,284,510.90, 1,773,441.82 and 801,785.32 is: 1,106,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,510.90 : 1,773,441.82 = 801,785.32 : x
  2. Step 2: Convert to fraction form
    1,284,510.90/1,773,441.82 = 801,785.32/x
  3. Step 3: Cross multiply
    1,284,510.90x = 1,773,441.82 × 801,785.32
  4. Step 4: Simplify right side
    1,284,510.90x = 1,421,919,617,150.08
  5. Step 5: Solve for x
    x = 1,421,919,617,150.08/1,284,510.90
  6. Step 6: Final answer
    x = 1,106,973.57

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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.