Home / 1,277,412.60-1,917,674.10-646,001.40

Finding the Fourth Proportional to 1,277,412.60, 1,917,674.10 and 646,001.40

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Solution

The fourth proportional to 1,277,412.60, 1,917,674.10 and 646,001.40 is: 969,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,412.60 : 1,917,674.10 = 646,001.40 : x
  2. Step 2: Convert to fraction form
    1,277,412.60/1,917,674.10 = 646,001.40/x
  3. Step 3: Cross multiply
    1,277,412.60x = 1,917,674.10 × 646,001.40
  4. Step 4: Simplify right side
    1,277,412.60x = 1,238,820,153,343.74
  5. Step 5: Solve for x
    x = 1,238,820,153,343.74/1,277,412.60
  6. Step 6: Final answer
    x = 969,788.58

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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.