Home / 945,831.40-1,418,747.10-930,279.40

Finding the Fourth Proportional to 945,831.40, 1,418,747.10 and 930,279.40

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Solution

The fourth proportional to 945,831.40, 1,418,747.10 and 930,279.40 is: 1,395,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,831.40 : 1,418,747.10 = 930,279.40 : x
  2. Step 2: Convert to fraction form
    945,831.40/1,418,747.10 = 930,279.40/x
  3. Step 3: Cross multiply
    945,831.40x = 1,418,747.10 × 930,279.40
  4. Step 4: Simplify right side
    945,831.40x = 1,319,831,200,939.74
  5. Step 5: Solve for x
    x = 1,319,831,200,939.74/945,831.40
  6. Step 6: Final answer
    x = 1,395,419.10

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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.