Home / 1,015,722.80-1,401,688.50-556,829.03

Finding the Fourth Proportional to 1,015,722.80, 1,401,688.50 and 556,829.03

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Solution

The fourth proportional to 1,015,722.80, 1,401,688.50 and 556,829.03 is: 768,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,722.80 : 1,401,688.50 = 556,829.03 : x
  2. Step 2: Convert to fraction form
    1,015,722.80/1,401,688.50 = 556,829.03/x
  3. Step 3: Cross multiply
    1,015,722.80x = 1,401,688.50 × 556,829.03
  4. Step 4: Simplify right side
    1,015,722.80x = 780,500,840,808.71
  5. Step 5: Solve for x
    x = 780,500,840,808.71/1,015,722.80
  6. Step 6: Final answer
    x = 768,419.14

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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.