Home / 971,262.90-1,338,810.93-729,196.02

Finding the Fourth Proportional to 971,262.90, 1,338,810.93 and 729,196.02

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Solution

The fourth proportional to 971,262.90, 1,338,810.93 and 729,196.02 is: 1,005,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,262.90 : 1,338,810.93 = 729,196.02 : x
  2. Step 2: Convert to fraction form
    971,262.90/1,338,810.93 = 729,196.02/x
  3. Step 3: Cross multiply
    971,262.90x = 1,338,810.93 × 729,196.02
  4. Step 4: Simplify right side
    971,262.90x = 976,255,601,688.50
  5. Step 5: Solve for x
    x = 976,255,601,688.50/971,262.90
  6. Step 6: Final answer
    x = 1,005,140.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.