Home / 1,220,607.23-1,684,355.72-704,382.58

Finding the Fourth Proportional to 1,220,607.23, 1,684,355.72 and 704,382.58

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Solution

The fourth proportional to 1,220,607.23, 1,684,355.72 and 704,382.58 is: 972,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,607.23 : 1,684,355.72 = 704,382.58 : x
  2. Step 2: Convert to fraction form
    1,220,607.23/1,684,355.72 = 704,382.58/x
  3. Step 3: Cross multiply
    1,220,607.23x = 1,684,355.72 × 704,382.58
  4. Step 4: Simplify right side
    1,220,607.23x = 1,186,430,826,274.89
  5. Step 5: Solve for x
    x = 1,186,430,826,274.89/1,220,607.23
  6. Step 6: Final answer
    x = 972,000.49

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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.