Home / 1,287,705.94-1,929,033.65-746,825.93

Finding the Fourth Proportional to 1,287,705.94, 1,929,033.65 and 746,825.93

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Solution

The fourth proportional to 1,287,705.94, 1,929,033.65 and 746,825.93 is: 1,118,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,705.94 : 1,929,033.65 = 746,825.93 : x
  2. Step 2: Convert to fraction form
    1,287,705.94/1,929,033.65 = 746,825.93/x
  3. Step 3: Cross multiply
    1,287,705.94x = 1,929,033.65 × 746,825.93
  4. Step 4: Simplify right side
    1,287,705.94x = 1,440,652,339,492.01
  5. Step 5: Solve for x
    x = 1,440,652,339,492.01/1,287,705.94
  6. Step 6: Final answer
    x = 1,118,774.32

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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.