Home / 1,425,219.96-2,137,829.40-572,291.36

Finding the Fourth Proportional to 1,425,219.96, 2,137,829.40 and 572,291.36

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Solution

The fourth proportional to 1,425,219.96, 2,137,829.40 and 572,291.36 is: 858,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,219.96 : 2,137,829.40 = 572,291.36 : x
  2. Step 2: Convert to fraction form
    1,425,219.96/2,137,829.40 = 572,291.36/x
  3. Step 3: Cross multiply
    1,425,219.96x = 2,137,829.40 × 572,291.36
  4. Step 4: Simplify right side
    1,425,219.96x = 1,223,461,294,773.98
  5. Step 5: Solve for x
    x = 1,223,461,294,773.98/1,425,219.96
  6. Step 6: Final answer
    x = 858,436.82

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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.