Home / 1,459,728-2,190,771.36-618,870.24

Finding the Fourth Proportional to 1,459,728, 2,190,771.36 and 618,870.24

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Solution

The fourth proportional to 1,459,728, 2,190,771.36 and 618,870.24 is: 928,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,728 : 2,190,771.36 = 618,870.24 : x
  2. Step 2: Convert to fraction form
    1,459,728/2,190,771.36 = 618,870.24/x
  3. Step 3: Cross multiply
    1,459,728x = 2,190,771.36 × 618,870.24
  4. Step 4: Simplify right side
    1,459,728x = 1,355,803,197,348.33
  5. Step 5: Solve for x
    x = 1,355,803,197,348.33/1,459,728
  6. Step 6: Final answer
    x = 928,805.36

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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.