Home / 1,578,356.36-2,369,219.34-680,241.32

Finding the Fourth Proportional to 1,578,356.36, 2,369,219.34 and 680,241.32

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Solution

The fourth proportional to 1,578,356.36, 2,369,219.34 and 680,241.32 is: 1,021,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,356.36 : 2,369,219.34 = 680,241.32 : x
  2. Step 2: Convert to fraction form
    1,578,356.36/2,369,219.34 = 680,241.32/x
  3. Step 3: Cross multiply
    1,578,356.36x = 2,369,219.34 × 680,241.32
  4. Step 4: Simplify right side
    1,578,356.36x = 1,611,640,891,211.13
  5. Step 5: Solve for x
    x = 1,611,640,891,211.13/1,578,356.36
  6. Step 6: Final answer
    x = 1,021,088.10

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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.