Home / 1,145,135.40-1,717,703.10-1,134,637.80

Finding the Fourth Proportional to 1,145,135.40, 1,717,703.10 and 1,134,637.80

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Solution

The fourth proportional to 1,145,135.40, 1,717,703.10 and 1,134,637.80 is: 1,701,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,135.40 : 1,717,703.10 = 1,134,637.80 : x
  2. Step 2: Convert to fraction form
    1,145,135.40/1,717,703.10 = 1,134,637.80/x
  3. Step 3: Cross multiply
    1,145,135.40x = 1,717,703.10 × 1,134,637.80
  4. Step 4: Simplify right side
    1,145,135.40x = 1,948,970,866,437.18
  5. Step 5: Solve for x
    x = 1,948,970,866,437.18/1,145,135.40
  6. Step 6: Final answer
    x = 1,701,956.70

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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.