Home / 1,326,084.72-1,989,112.36-793,754.32

Finding the Fourth Proportional to 1,326,084.72, 1,989,112.36 and 793,754.32

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Solution

The fourth proportional to 1,326,084.72, 1,989,112.36 and 793,754.32 is: 1,190,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,084.72 : 1,989,112.36 = 793,754.32 : x
  2. Step 2: Convert to fraction form
    1,326,084.72/1,989,112.36 = 793,754.32/x
  3. Step 3: Cross multiply
    1,326,084.72x = 1,989,112.36 × 793,754.32
  4. Step 4: Simplify right side
    1,326,084.72x = 1,578,866,528,715.40
  5. Step 5: Solve for x
    x = 1,578,866,528,715.40/1,326,084.72
  6. Step 6: Final answer
    x = 1,190,622.67

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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.