Home / 1,506,054.49-2,078,345.82-861,485.43

Finding the Fourth Proportional to 1,506,054.49, 2,078,345.82 and 861,485.43

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Solution

The fourth proportional to 1,506,054.49, 2,078,345.82 and 861,485.43 is: 1,188,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,054.49 : 2,078,345.82 = 861,485.43 : x
  2. Step 2: Convert to fraction form
    1,506,054.49/2,078,345.82 = 861,485.43/x
  3. Step 3: Cross multiply
    1,506,054.49x = 2,078,345.82 × 861,485.43
  4. Step 4: Simplify right side
    1,506,054.49x = 1,790,464,642,431.40
  5. Step 5: Solve for x
    x = 1,790,464,642,431.40/1,506,054.49
  6. Step 6: Final answer
    x = 1,188,844.53

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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.