Home / 1,348,698.60-2,023,047.90-815,945.40

Finding the Fourth Proportional to 1,348,698.60, 2,023,047.90 and 815,945.40

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Solution

The fourth proportional to 1,348,698.60, 2,023,047.90 and 815,945.40 is: 1,223,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,698.60 : 2,023,047.90 = 815,945.40 : x
  2. Step 2: Convert to fraction form
    1,348,698.60/2,023,047.90 = 815,945.40/x
  3. Step 3: Cross multiply
    1,348,698.60x = 2,023,047.90 × 815,945.40
  4. Step 4: Simplify right side
    1,348,698.60x = 1,650,696,627,984.66
  5. Step 5: Solve for x
    x = 1,650,696,627,984.66/1,348,698.60
  6. Step 6: Final answer
    x = 1,223,918.10

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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.