Home / 1,365,258.77-2,047,233.80-645,000.90

Finding the Fourth Proportional to 1,365,258.77, 2,047,233.80 and 645,000.90

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Solution

The fourth proportional to 1,365,258.77, 2,047,233.80 and 645,000.90 is: 967,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,258.77 : 2,047,233.80 = 645,000.90 : x
  2. Step 2: Convert to fraction form
    1,365,258.77/2,047,233.80 = 645,000.90/x
  3. Step 3: Cross multiply
    1,365,258.77x = 2,047,233.80 × 645,000.90
  4. Step 4: Simplify right side
    1,365,258.77x = 1,320,467,632,608.29
  5. Step 5: Solve for x
    x = 1,320,467,632,608.29/1,365,258.77
  6. Step 6: Final answer
    x = 967,192.20

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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.