Home / 1,213,515-1,820,266.02-314,956.08

Finding the Fourth Proportional to 1,213,515, 1,820,266.02 and 314,956.08

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Solution

The fourth proportional to 1,213,515, 1,820,266.02 and 314,956.08 is: 472,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,515 : 1,820,266.02 = 314,956.08 : x
  2. Step 2: Convert to fraction form
    1,213,515/1,820,266.02 = 314,956.08/x
  3. Step 3: Cross multiply
    1,213,515x = 1,820,266.02 × 314,956.08
  4. Step 4: Simplify right side
    1,213,515x = 573,303,850,216.40
  5. Step 5: Solve for x
    x = 573,303,850,216.40/1,213,515
  6. Step 6: Final answer
    x = 472,432.44

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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.