Home / 1,404,153-2,104,537.22-644,946.84

Finding the Fourth Proportional to 1,404,153, 2,104,537.22 and 644,946.84

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Solution

The fourth proportional to 1,404,153, 2,104,537.22 and 644,946.84 is: 966,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,153 : 2,104,537.22 = 644,946.84 : x
  2. Step 2: Convert to fraction form
    1,404,153/2,104,537.22 = 644,946.84/x
  3. Step 3: Cross multiply
    1,404,153x = 2,104,537.22 × 644,946.84
  4. Step 4: Simplify right side
    1,404,153x = 1,357,314,629,701.38
  5. Step 5: Solve for x
    x = 1,357,314,629,701.38/1,404,153
  6. Step 6: Final answer
    x = 966,642.97

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Double scale
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1.5x scale

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.