Home / 1,238,493.40-1,857,740.10-740,829.40

Finding the Fourth Proportional to 1,238,493.40, 1,857,740.10 and 740,829.40

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Solution

The fourth proportional to 1,238,493.40, 1,857,740.10 and 740,829.40 is: 1,111,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,493.40 : 1,857,740.10 = 740,829.40 : x
  2. Step 2: Convert to fraction form
    1,238,493.40/1,857,740.10 = 740,829.40/x
  3. Step 3: Cross multiply
    1,238,493.40x = 1,857,740.10 × 740,829.40
  4. Step 4: Simplify right side
    1,238,493.40x = 1,376,268,483,638.94
  5. Step 5: Solve for x
    x = 1,376,268,483,638.94/1,238,493.40
  6. Step 6: Final answer
    x = 1,111,244.10

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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.