Home / 1,287,113.24-1,930,783.34-477,507.04

Finding the Fourth Proportional to 1,287,113.24, 1,930,783.34 and 477,507.04

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Solution

The fourth proportional to 1,287,113.24, 1,930,783.34 and 477,507.04 is: 716,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,113.24 : 1,930,783.34 = 477,507.04 : x
  2. Step 2: Convert to fraction form
    1,287,113.24/1,930,783.34 = 477,507.04/x
  3. Step 3: Cross multiply
    1,287,113.24x = 1,930,783.34 × 477,507.04
  4. Step 4: Simplify right side
    1,287,113.24x = 921,962,637,564.71
  5. Step 5: Solve for x
    x = 921,962,637,564.71/1,287,113.24
  6. Step 6: Final answer
    x = 716,302.66

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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.