Home / 1,140,874.88-1,712,994.48-636,421.46

Finding the Fourth Proportional to 1,140,874.88, 1,712,994.48 and 636,421.46

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Solution

The fourth proportional to 1,140,874.88, 1,712,994.48 and 636,421.46 is: 955,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,874.88 : 1,712,994.48 = 636,421.46 : x
  2. Step 2: Convert to fraction form
    1,140,874.88/1,712,994.48 = 636,421.46/x
  3. Step 3: Cross multiply
    1,140,874.88x = 1,712,994.48 × 636,421.46
  4. Step 4: Simplify right side
    1,140,874.88x = 1,090,186,439,368.57
  5. Step 5: Solve for x
    x = 1,090,186,439,368.57/1,140,874.88
  6. Step 6: Final answer
    x = 955,570.56

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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.