Home / 1,538,749.50-2,123,416.80-885,476.40

Finding the Fourth Proportional to 1,538,749.50, 2,123,416.80 and 885,476.40

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Solution

The fourth proportional to 1,538,749.50, 2,123,416.80 and 885,476.40 is: 1,221,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,749.50 : 2,123,416.80 = 885,476.40 : x
  2. Step 2: Convert to fraction form
    1,538,749.50/2,123,416.80 = 885,476.40/x
  3. Step 3: Cross multiply
    1,538,749.50x = 2,123,416.80 × 885,476.40
  4. Step 4: Simplify right side
    1,538,749.50x = 1,880,235,463,763.52
  5. Step 5: Solve for x
    x = 1,880,235,463,763.52/1,538,749.50
  6. Step 6: Final answer
    x = 1,221,924.34

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1.5x scale

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.