Home / 1,230,358.10-1,843,809.15-978,070.10

Finding the Fourth Proportional to 1,230,358.10, 1,843,809.15 and 978,070.10

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Solution

The fourth proportional to 1,230,358.10, 1,843,809.15 and 978,070.10 is: 1,465,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,358.10 : 1,843,809.15 = 978,070.10 : x
  2. Step 2: Convert to fraction form
    1,230,358.10/1,843,809.15 = 978,070.10/x
  3. Step 3: Cross multiply
    1,230,358.10x = 1,843,809.15 × 978,070.10
  4. Step 4: Simplify right side
    1,230,358.10x = 1,803,374,599,721.41
  5. Step 5: Solve for x
    x = 1,803,374,599,721.41/1,230,358.10
  6. Step 6: Final answer
    x = 1,465,731.48

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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.