Home / 1,326,645.04-1,989,345.36-484,607.92

Finding the Fourth Proportional to 1,326,645.04, 1,989,345.36 and 484,607.92

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Solution

The fourth proportional to 1,326,645.04, 1,989,345.36 and 484,607.92 is: 726,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,645.04 : 1,989,345.36 = 484,607.92 : x
  2. Step 2: Convert to fraction form
    1,326,645.04/1,989,345.36 = 484,607.92/x
  3. Step 3: Cross multiply
    1,326,645.04x = 1,989,345.36 × 484,607.92
  4. Step 4: Simplify right side
    1,326,645.04x = 964,052,517,071.25
  5. Step 5: Solve for x
    x = 964,052,517,071.25/1,326,645.04
  6. Step 6: Final answer
    x = 726,684.60

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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.