Home / 1,012,118.76-1,395,593.70-827,783.40

Finding the Fourth Proportional to 1,012,118.76, 1,395,593.70 and 827,783.40

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Solution

The fourth proportional to 1,012,118.76, 1,395,593.70 and 827,783.40 is: 1,141,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,118.76 : 1,395,593.70 = 827,783.40 : x
  2. Step 2: Convert to fraction form
    1,012,118.76/1,395,593.70 = 827,783.40/x
  3. Step 3: Cross multiply
    1,012,118.76x = 1,395,593.70 × 827,783.40
  4. Step 4: Simplify right side
    1,012,118.76x = 1,155,249,298,004.58
  5. Step 5: Solve for x
    x = 1,155,249,298,004.58/1,012,118.76
  6. Step 6: Final answer
    x = 1,141,416.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.