Home / 1,558,530.40-2,337,622.80-1,277,557.60

Finding the Fourth Proportional to 1,558,530.40, 2,337,622.80 and 1,277,557.60

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Solution

The fourth proportional to 1,558,530.40, 2,337,622.80 and 1,277,557.60 is: 1,916,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,530.40 : 2,337,622.80 = 1,277,557.60 : x
  2. Step 2: Convert to fraction form
    1,558,530.40/2,337,622.80 = 1,277,557.60/x
  3. Step 3: Cross multiply
    1,558,530.40x = 2,337,622.80 × 1,277,557.60
  4. Step 4: Simplify right side
    1,558,530.40x = 2,986,447,774,073.28
  5. Step 5: Solve for x
    x = 2,986,447,774,073.28/1,558,530.40
  6. Step 6: Final answer
    x = 1,916,194.75

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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.