Home / 1,210,487.35-1,815,731.03-804,580.15

Finding the Fourth Proportional to 1,210,487.35, 1,815,731.03 and 804,580.15

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Solution

The fourth proportional to 1,210,487.35, 1,815,731.03 and 804,580.15 is: 1,206,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,487.35 : 1,815,731.03 = 804,580.15 : x
  2. Step 2: Convert to fraction form
    1,210,487.35/1,815,731.03 = 804,580.15/x
  3. Step 3: Cross multiply
    1,210,487.35x = 1,815,731.03 × 804,580.15
  4. Step 4: Simplify right side
    1,210,487.35x = 1,460,901,144,477.05
  5. Step 5: Solve for x
    x = 1,460,901,144,477.05/1,210,487.35
  6. Step 6: Final answer
    x = 1,206,870.23

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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.