Home / 1,015,000.34-1,400,634.78-556,114.28

Finding the Fourth Proportional to 1,015,000.34, 1,400,634.78 and 556,114.28

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Solution

The fourth proportional to 1,015,000.34, 1,400,634.78 and 556,114.28 is: 767,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,000.34 : 1,400,634.78 = 556,114.28 : x
  2. Step 2: Convert to fraction form
    1,015,000.34/1,400,634.78 = 556,114.28/x
  3. Step 3: Cross multiply
    1,015,000.34x = 1,400,634.78 × 556,114.28
  4. Step 4: Simplify right side
    1,015,000.34x = 778,913,002,222.66
  5. Step 5: Solve for x
    x = 778,913,002,222.66/1,015,000.34
  6. Step 6: Final answer
    x = 767,401.72

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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.