Home / 1,125,870.80-1,688,552.89-518,076.08

Finding the Fourth Proportional to 1,125,870.80, 1,688,552.89 and 518,076.08

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Solution

The fourth proportional to 1,125,870.80, 1,688,552.89 and 518,076.08 is: 776,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,870.80 : 1,688,552.89 = 518,076.08 : x
  2. Step 2: Convert to fraction form
    1,125,870.80/1,688,552.89 = 518,076.08/x
  3. Step 3: Cross multiply
    1,125,870.80x = 1,688,552.89 × 518,076.08
  4. Step 4: Simplify right side
    1,125,870.80x = 874,798,858,717.99
  5. Step 5: Solve for x
    x = 874,798,858,717.99/1,125,870.80
  6. Step 6: Final answer
    x = 776,997.56

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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.