Home / 1,219,970.90-1,832,235.64-1,073,962.56

Finding the Fourth Proportional to 1,219,970.90, 1,832,235.64 and 1,073,962.56

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Solution

The fourth proportional to 1,219,970.90, 1,832,235.64 and 1,073,962.56 is: 1,612,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,970.90 : 1,832,235.64 = 1,073,962.56 : x
  2. Step 2: Convert to fraction form
    1,219,970.90/1,832,235.64 = 1,073,962.56/x
  3. Step 3: Cross multiply
    1,219,970.90x = 1,832,235.64 × 1,073,962.56
  4. Step 4: Simplify right side
    1,219,970.90x = 1,967,752,478,457.64
  5. Step 5: Solve for x
    x = 1,967,752,478,457.64/1,219,970.90
  6. Step 6: Final answer
    x = 1,612,950.34

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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.