Home / 1,312,181.88-1,810,944.78-803,220.60

Finding the Fourth Proportional to 1,312,181.88, 1,810,944.78 and 803,220.60

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Solution

The fourth proportional to 1,312,181.88, 1,810,944.78 and 803,220.60 is: 1,108,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,181.88 : 1,810,944.78 = 803,220.60 : x
  2. Step 2: Convert to fraction form
    1,312,181.88/1,810,944.78 = 803,220.60/x
  3. Step 3: Cross multiply
    1,312,181.88x = 1,810,944.78 × 803,220.60
  4. Step 4: Simplify right side
    1,312,181.88x = 1,454,588,152,758.47
  5. Step 5: Solve for x
    x = 1,454,588,152,758.47/1,312,181.88
  6. Step 6: Final answer
    x = 1,108,526.32

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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.