Home / 1,385,923.68-2,077,211.28-674,886.24

Finding the Fourth Proportional to 1,385,923.68, 2,077,211.28 and 674,886.24

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Solution

The fourth proportional to 1,385,923.68, 2,077,211.28 and 674,886.24 is: 1,011,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,923.68 : 2,077,211.28 = 674,886.24 : x
  2. Step 2: Convert to fraction form
    1,385,923.68/2,077,211.28 = 674,886.24/x
  3. Step 3: Cross multiply
    1,385,923.68x = 2,077,211.28 × 674,886.24
  4. Step 4: Simplify right side
    1,385,923.68x = 1,401,881,310,444.79
  5. Step 5: Solve for x
    x = 1,401,881,310,444.79/1,385,923.68
  6. Step 6: Final answer
    x = 1,011,514.08

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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.