Home / 1,015,707.63-1,401,672.56-556,824.75

Finding the Fourth Proportional to 1,015,707.63, 1,401,672.56 and 556,824.75

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Solution

The fourth proportional to 1,015,707.63, 1,401,672.56 and 556,824.75 is: 768,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,707.63 : 1,401,672.56 = 556,824.75 : x
  2. Step 2: Convert to fraction form
    1,015,707.63/1,401,672.56 = 556,824.75/x
  3. Step 3: Cross multiply
    1,015,707.63x = 1,401,672.56 × 556,824.75
  4. Step 4: Simplify right side
    1,015,707.63x = 780,485,970,019.74
  5. Step 5: Solve for x
    x = 780,485,970,019.74/1,015,707.63
  6. Step 6: Final answer
    x = 768,415.98

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1.5x scale

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.