Home / 1,210,774.41-1,815,913.89-452,475.90

Finding the Fourth Proportional to 1,210,774.41, 1,815,913.89 and 452,475.90

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Solution

The fourth proportional to 1,210,774.41, 1,815,913.89 and 452,475.90 is: 678,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,774.41 : 1,815,913.89 = 452,475.90 : x
  2. Step 2: Convert to fraction form
    1,210,774.41/1,815,913.89 = 452,475.90/x
  3. Step 3: Cross multiply
    1,210,774.41x = 1,815,913.89 × 452,475.90
  4. Step 4: Simplify right side
    1,210,774.41x = 821,657,271,700.25
  5. Step 5: Solve for x
    x = 821,657,271,700.25/1,210,774.41
  6. Step 6: Final answer
    x = 678,621.27

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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.