Home / 1,212,009.10-1,818,002.40-464,055.10

Finding the Fourth Proportional to 1,212,009.10, 1,818,002.40 and 464,055.10

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Solution

The fourth proportional to 1,212,009.10, 1,818,002.40 and 464,055.10 is: 696,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,009.10 : 1,818,002.40 = 464,055.10 : x
  2. Step 2: Convert to fraction form
    1,212,009.10/1,818,002.40 = 464,055.10/x
  3. Step 3: Cross multiply
    1,212,009.10x = 1,818,002.40 × 464,055.10
  4. Step 4: Simplify right side
    1,212,009.10x = 843,653,285,532.24
  5. Step 5: Solve for x
    x = 843,653,285,532.24/1,212,009.10
  6. Step 6: Final answer
    x = 696,078.34

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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.