Home / 1,478,253.28-2,039,256.08-954,783.84

Finding the Fourth Proportional to 1,478,253.28, 2,039,256.08 and 954,783.84

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Solution

The fourth proportional to 1,478,253.28, 2,039,256.08 and 954,783.84 is: 1,317,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,253.28 : 2,039,256.08 = 954,783.84 : x
  2. Step 2: Convert to fraction form
    1,478,253.28/2,039,256.08 = 954,783.84/x
  3. Step 3: Cross multiply
    1,478,253.28x = 2,039,256.08 × 954,783.84
  4. Step 4: Simplify right side
    1,478,253.28x = 1,947,048,750,805.75
  5. Step 5: Solve for x
    x = 1,947,048,750,805.75/1,478,253.28
  6. Step 6: Final answer
    x = 1,317,127.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.