Home / 1,212,312.72-1,818,403.11-370,864.44

Finding the Fourth Proportional to 1,212,312.72, 1,818,403.11 and 370,864.44

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Solution

The fourth proportional to 1,212,312.72, 1,818,403.11 and 370,864.44 is: 556,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,312.72 : 1,818,403.11 = 370,864.44 : x
  2. Step 2: Convert to fraction form
    1,212,312.72/1,818,403.11 = 370,864.44/x
  3. Step 3: Cross multiply
    1,212,312.72x = 1,818,403.11 × 370,864.44
  4. Step 4: Simplify right side
    1,212,312.72x = 674,381,051,084.41
  5. Step 5: Solve for x
    x = 674,381,051,084.41/1,212,312.72
  6. Step 6: Final answer
    x = 556,276.48

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1.5x scale

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.