Home / 1,112,666.60-1,669,005.58-472,805.48

Finding the Fourth Proportional to 1,112,666.60, 1,669,005.58 and 472,805.48

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Solution

The fourth proportional to 1,112,666.60, 1,669,005.58 and 472,805.48 is: 709,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,666.60 : 1,669,005.58 = 472,805.48 : x
  2. Step 2: Convert to fraction form
    1,112,666.60/1,669,005.58 = 472,805.48/x
  3. Step 3: Cross multiply
    1,112,666.60x = 1,669,005.58 × 472,805.48
  4. Step 4: Simplify right side
    1,112,666.60x = 789,114,984,374.58
  5. Step 5: Solve for x
    x = 789,114,984,374.58/1,112,666.60
  6. Step 6: Final answer
    x = 709,210.63

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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.