Home / 1,015,627.38-1,401,545.75-556,742.94

Finding the Fourth Proportional to 1,015,627.38, 1,401,545.75 and 556,742.94

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Solution

The fourth proportional to 1,015,627.38, 1,401,545.75 and 556,742.94 is: 768,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,627.38 : 1,401,545.75 = 556,742.94 : x
  2. Step 2: Convert to fraction form
    1,015,627.38/1,401,545.75 = 556,742.94/x
  3. Step 3: Cross multiply
    1,015,627.38x = 1,401,545.75 × 556,742.94
  4. Step 4: Simplify right side
    1,015,627.38x = 780,300,698,615.79
  5. Step 5: Solve for x
    x = 780,300,698,615.79/1,015,627.38
  6. Step 6: Final answer
    x = 768,294.27

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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.