Home / 1,005,976.98-1,388,259.81-553,275.54

Finding the Fourth Proportional to 1,005,976.98, 1,388,259.81 and 553,275.54

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Solution

The fourth proportional to 1,005,976.98, 1,388,259.81 and 553,275.54 is: 763,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,976.98 : 1,388,259.81 = 553,275.54 : x
  2. Step 2: Convert to fraction form
    1,005,976.98/1,388,259.81 = 553,275.54/x
  3. Step 3: Cross multiply
    1,005,976.98x = 1,388,259.81 × 553,275.54
  4. Step 4: Simplify right side
    1,005,976.98x = 768,090,196,038.05
  5. Step 5: Solve for x
    x = 768,090,196,038.05/1,005,976.98
  6. Step 6: Final answer
    x = 763,526.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.