Home / 1,248,249.40-1,872,374.10-1,213,257.40

Finding the Fourth Proportional to 1,248,249.40, 1,872,374.10 and 1,213,257.40

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Solution

The fourth proportional to 1,248,249.40, 1,872,374.10 and 1,213,257.40 is: 1,819,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,249.40 : 1,872,374.10 = 1,213,257.40 : x
  2. Step 2: Convert to fraction form
    1,248,249.40/1,872,374.10 = 1,213,257.40/x
  3. Step 3: Cross multiply
    1,248,249.40x = 1,872,374.10 × 1,213,257.40
  4. Step 4: Simplify right side
    1,248,249.40x = 2,271,671,732,393.34
  5. Step 5: Solve for x
    x = 2,271,671,732,393.34/1,248,249.40
  6. Step 6: Final answer
    x = 1,819,886.10

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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.