Home / 1,005,365.60-1,509,122.76-406,718.08

Finding the Fourth Proportional to 1,005,365.60, 1,509,122.76 and 406,718.08

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Solution

The fourth proportional to 1,005,365.60, 1,509,122.76 and 406,718.08 is: 610,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,365.60 : 1,509,122.76 = 406,718.08 : x
  2. Step 2: Convert to fraction form
    1,005,365.60/1,509,122.76 = 406,718.08/x
  3. Step 3: Cross multiply
    1,005,365.60x = 1,509,122.76 × 406,718.08
  4. Step 4: Simplify right side
    1,005,365.60x = 613,787,511,431.50
  5. Step 5: Solve for x
    x = 613,787,511,431.50/1,005,365.60
  6. Step 6: Final answer
    x = 610,511.75

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1.5x scale

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.