Home / 1,201,328.43-1,657,833.87-657,463.89

Finding the Fourth Proportional to 1,201,328.43, 1,657,833.87 and 657,463.89

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Solution

The fourth proportional to 1,201,328.43, 1,657,833.87 and 657,463.89 is: 907,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,328.43 : 1,657,833.87 = 657,463.89 : x
  2. Step 2: Convert to fraction form
    1,201,328.43/1,657,833.87 = 657,463.89/x
  3. Step 3: Cross multiply
    1,201,328.43x = 1,657,833.87 × 657,463.89
  4. Step 4: Simplify right side
    1,201,328.43x = 1,089,965,905,143.95
  5. Step 5: Solve for x
    x = 1,089,965,905,143.95/1,201,328.43
  6. Step 6: Final answer
    x = 907,300.52

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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.