Home / 1,447,709.76-1,997,816.40-803,118.24

Finding the Fourth Proportional to 1,447,709.76, 1,997,816.40 and 803,118.24

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Solution

The fourth proportional to 1,447,709.76, 1,997,816.40 and 803,118.24 is: 1,108,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,709.76 : 1,997,816.40 = 803,118.24 : x
  2. Step 2: Convert to fraction form
    1,447,709.76/1,997,816.40 = 803,118.24/x
  3. Step 3: Cross multiply
    1,447,709.76x = 1,997,816.40 × 803,118.24
  4. Step 4: Simplify right side
    1,447,709.76x = 1,604,482,791,011.14
  5. Step 5: Solve for x
    x = 1,604,482,791,011.14/1,447,709.76
  6. Step 6: Final answer
    x = 1,108,290.37

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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.