Home / 1,264,412.60-1,893,854.10-981,711.80

Finding the Fourth Proportional to 1,264,412.60, 1,893,854.10 and 981,711.80

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Solution

The fourth proportional to 1,264,412.60, 1,893,854.10 and 981,711.80 is: 1,470,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,412.60 : 1,893,854.10 = 981,711.80 : x
  2. Step 2: Convert to fraction form
    1,264,412.60/1,893,854.10 = 981,711.80/x
  3. Step 3: Cross multiply
    1,264,412.60x = 1,893,854.10 × 981,711.80
  4. Step 4: Simplify right side
    1,264,412.60x = 1,859,218,917,448.38
  5. Step 5: Solve for x
    x = 1,859,218,917,448.38/1,264,412.60
  6. Step 6: Final answer
    x = 1,470,421.06

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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.