Home / 1,500,603.56-2,070,838.98-821,603.24

Finding the Fourth Proportional to 1,500,603.56, 2,070,838.98 and 821,603.24

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Solution

The fourth proportional to 1,500,603.56, 2,070,838.98 and 821,603.24 is: 1,133,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,603.56 : 2,070,838.98 = 821,603.24 : x
  2. Step 2: Convert to fraction form
    1,500,603.56/2,070,838.98 = 821,603.24/x
  3. Step 3: Cross multiply
    1,500,603.56x = 2,070,838.98 × 821,603.24
  4. Step 4: Simplify right side
    1,500,603.56x = 1,701,408,015,486.30
  5. Step 5: Solve for x
    x = 1,701,408,015,486.30/1,500,603.56
  6. Step 6: Final answer
    x = 1,133,815.79

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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.