Home / 1,379,574.84-1,903,799.56-767,717.16

Finding the Fourth Proportional to 1,379,574.84, 1,903,799.56 and 767,717.16

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Solution

The fourth proportional to 1,379,574.84, 1,903,799.56 and 767,717.16 is: 1,059,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,574.84 : 1,903,799.56 = 767,717.16 : x
  2. Step 2: Convert to fraction form
    1,379,574.84/1,903,799.56 = 767,717.16/x
  3. Step 3: Cross multiply
    1,379,574.84x = 1,903,799.56 × 767,717.16
  4. Step 4: Simplify right side
    1,379,574.84x = 1,461,579,591,412.45
  5. Step 5: Solve for x
    x = 1,461,579,591,412.45/1,379,574.84
  6. Step 6: Final answer
    x = 1,059,442.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.