Home / 1,447,235.53-1,997,307.60-802,863.25

Finding the Fourth Proportional to 1,447,235.53, 1,997,307.60 and 802,863.25

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Solution

The fourth proportional to 1,447,235.53, 1,997,307.60 and 802,863.25 is: 1,108,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,235.53 : 1,997,307.60 = 802,863.25 : x
  2. Step 2: Convert to fraction form
    1,447,235.53/1,997,307.60 = 802,863.25/x
  3. Step 3: Cross multiply
    1,447,235.53x = 1,997,307.60 × 802,863.25
  4. Step 4: Simplify right side
    1,447,235.53x = 1,603,564,870,985.70
  5. Step 5: Solve for x
    x = 1,603,564,870,985.70/1,447,235.53
  6. Step 6: Final answer
    x = 1,108,019.28

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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.