Home / 1,014,145.30-1,399,465.02-555,171.10

Finding the Fourth Proportional to 1,014,145.30, 1,399,465.02 and 555,171.10

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Solution

The fourth proportional to 1,014,145.30, 1,399,465.02 and 555,171.10 is: 766,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,145.30 : 1,399,465.02 = 555,171.10 : x
  2. Step 2: Convert to fraction form
    1,014,145.30/1,399,465.02 = 555,171.10/x
  3. Step 3: Cross multiply
    1,014,145.30x = 1,399,465.02 × 555,171.10
  4. Step 4: Simplify right side
    1,014,145.30x = 776,942,534,564.92
  5. Step 5: Solve for x
    x = 776,942,534,564.92/1,014,145.30
  6. Step 6: Final answer
    x = 766,105.74

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Double scale
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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.