Home / 1,106,999.40-1,656,999.90-792,071.40

Finding the Fourth Proportional to 1,106,999.40, 1,656,999.90 and 792,071.40

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Solution

The fourth proportional to 1,106,999.40, 1,656,999.90 and 792,071.40 is: 1,185,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,999.40 : 1,656,999.90 = 792,071.40 : x
  2. Step 2: Convert to fraction form
    1,106,999.40/1,656,999.90 = 792,071.40/x
  3. Step 3: Cross multiply
    1,106,999.40x = 1,656,999.90 × 792,071.40
  4. Step 4: Simplify right side
    1,106,999.40x = 1,312,462,230,592.86
  5. Step 5: Solve for x
    x = 1,312,462,230,592.86/1,106,999.40
  6. Step 6: Final answer
    x = 1,185,603.38

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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.