Home / 1,419,533.32-1,958,985.62-774,980.68

Finding the Fourth Proportional to 1,419,533.32, 1,958,985.62 and 774,980.68

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Solution

The fourth proportional to 1,419,533.32, 1,958,985.62 and 774,980.68 is: 1,069,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,533.32 : 1,958,985.62 = 774,980.68 : x
  2. Step 2: Convert to fraction form
    1,419,533.32/1,958,985.62 = 774,980.68/x
  3. Step 3: Cross multiply
    1,419,533.32x = 1,958,985.62 × 774,980.68
  4. Step 4: Simplify right side
    1,419,533.32x = 1,518,176,007,897.82
  5. Step 5: Solve for x
    x = 1,518,176,007,897.82/1,419,533.32
  6. Step 6: Final answer
    x = 1,069,489.52

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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.