Home / 1,141,813.40-1,572,107.54-969,390.32

Finding the Fourth Proportional to 1,141,813.40, 1,572,107.54 and 969,390.32

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Solution

The fourth proportional to 1,141,813.40, 1,572,107.54 and 969,390.32 is: 1,334,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,813.40 : 1,572,107.54 = 969,390.32 : x
  2. Step 2: Convert to fraction form
    1,141,813.40/1,572,107.54 = 969,390.32/x
  3. Step 3: Cross multiply
    1,141,813.40x = 1,572,107.54 × 969,390.32
  4. Step 4: Simplify right side
    1,141,813.40x = 1,523,985,818,567.52
  5. Step 5: Solve for x
    x = 1,523,985,818,567.52/1,141,813.40
  6. Step 6: Final answer
    x = 1,334,706.55

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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.