Home / 1,055,420.40-1,583,009.10-307,466.40

Finding the Fourth Proportional to 1,055,420.40, 1,583,009.10 and 307,466.40

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Solution

The fourth proportional to 1,055,420.40, 1,583,009.10 and 307,466.40 is: 461,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,420.40 : 1,583,009.10 = 307,466.40 : x
  2. Step 2: Convert to fraction form
    1,055,420.40/1,583,009.10 = 307,466.40/x
  3. Step 3: Cross multiply
    1,055,420.40x = 1,583,009.10 × 307,466.40
  4. Step 4: Simplify right side
    1,055,420.40x = 486,722,109,144.24
  5. Step 5: Solve for x
    x = 486,722,109,144.24/1,055,420.40
  6. Step 6: Final answer
    x = 461,164.20

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Double scale
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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.