Home / 1,308,851.20-1,963,276.80-467,430.40

Finding the Fourth Proportional to 1,308,851.20, 1,963,276.80 and 467,430.40

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Solution

The fourth proportional to 1,308,851.20, 1,963,276.80 and 467,430.40 is: 701,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,851.20 : 1,963,276.80 = 467,430.40 : x
  2. Step 2: Convert to fraction form
    1,308,851.20/1,963,276.80 = 467,430.40/x
  3. Step 3: Cross multiply
    1,308,851.20x = 1,963,276.80 × 467,430.40
  4. Step 4: Simplify right side
    1,308,851.20x = 917,695,259,934.72
  5. Step 5: Solve for x
    x = 917,695,259,934.72/1,308,851.20
  6. Step 6: Final answer
    x = 701,145.60

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Double scale
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Similar ratio
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1.5x scale

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.