Home / 1,285,050.72-1,773,349.20-712,089.12

Finding the Fourth Proportional to 1,285,050.72, 1,773,349.20 and 712,089.12

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Solution

The fourth proportional to 1,285,050.72, 1,773,349.20 and 712,089.12 is: 982,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,050.72 : 1,773,349.20 = 712,089.12 : x
  2. Step 2: Convert to fraction form
    1,285,050.72/1,773,349.20 = 712,089.12/x
  3. Step 3: Cross multiply
    1,285,050.72x = 1,773,349.20 × 712,089.12
  4. Step 4: Simplify right side
    1,285,050.72x = 1,262,782,671,280.70
  5. Step 5: Solve for x
    x = 1,262,782,671,280.70/1,285,050.72
  6. Step 6: Final answer
    x = 982,671.46

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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.