Home / 1,021,476.39-1,532,210.47-311,502.37

Finding the Fourth Proportional to 1,021,476.39, 1,532,210.47 and 311,502.37

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Solution

The fourth proportional to 1,021,476.39, 1,532,210.47 and 311,502.37 is: 467,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,476.39 : 1,532,210.47 = 311,502.37 : x
  2. Step 2: Convert to fraction form
    1,021,476.39/1,532,210.47 = 311,502.37/x
  3. Step 3: Cross multiply
    1,021,476.39x = 1,532,210.47 × 311,502.37
  4. Step 4: Simplify right side
    1,021,476.39x = 477,287,192,743.81
  5. Step 5: Solve for x
    x = 477,287,192,743.81/1,021,476.39
  6. Step 6: Final answer
    x = 467,252.30

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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.