Home / 1,225,552.48-1,838,378.16-426,914.80

Finding the Fourth Proportional to 1,225,552.48, 1,838,378.16 and 426,914.80

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Solution

The fourth proportional to 1,225,552.48, 1,838,378.16 and 426,914.80 is: 640,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,552.48 : 1,838,378.16 = 426,914.80 : x
  2. Step 2: Convert to fraction form
    1,225,552.48/1,838,378.16 = 426,914.80/x
  3. Step 3: Cross multiply
    1,225,552.48x = 1,838,378.16 × 426,914.80
  4. Step 4: Simplify right side
    1,225,552.48x = 784,830,844,500.77
  5. Step 5: Solve for x
    x = 784,830,844,500.77/1,225,552.48
  6. Step 6: Final answer
    x = 640,389.42

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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.