Home / 1,447,379.40-1,997,622.75-803,007.18

Finding the Fourth Proportional to 1,447,379.40, 1,997,622.75 and 803,007.18

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Solution

The fourth proportional to 1,447,379.40, 1,997,622.75 and 803,007.18 is: 1,108,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,379.40 : 1,997,622.75 = 803,007.18 : x
  2. Step 2: Convert to fraction form
    1,447,379.40/1,997,622.75 = 803,007.18/x
  3. Step 3: Cross multiply
    1,447,379.40x = 1,997,622.75 × 803,007.18
  4. Step 4: Simplify right side
    1,447,379.40x = 1,604,105,411,181.35
  5. Step 5: Solve for x
    x = 1,604,105,411,181.35/1,447,379.40
  6. Step 6: Final answer
    x = 1,108,282.60

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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.