Home / 1,134,746.40-1,702,004.40-386,781.60

Finding the Fourth Proportional to 1,134,746.40, 1,702,004.40 and 386,781.60

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Solution

The fourth proportional to 1,134,746.40, 1,702,004.40 and 386,781.60 is: 580,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,746.40 : 1,702,004.40 = 386,781.60 : x
  2. Step 2: Convert to fraction form
    1,134,746.40/1,702,004.40 = 386,781.60/x
  3. Step 3: Cross multiply
    1,134,746.40x = 1,702,004.40 × 386,781.60
  4. Step 4: Simplify right side
    1,134,746.40x = 658,303,985,039.04
  5. Step 5: Solve for x
    x = 658,303,985,039.04/1,134,746.40
  6. Step 6: Final answer
    x = 580,133.13

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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.