Home / 1,261,088.40-1,740,343.95-688,160.01

Finding the Fourth Proportional to 1,261,088.40, 1,740,343.95 and 688,160.01

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Solution

The fourth proportional to 1,261,088.40, 1,740,343.95 and 688,160.01 is: 949,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,088.40 : 1,740,343.95 = 688,160.01 : x
  2. Step 2: Convert to fraction form
    1,261,088.40/1,740,343.95 = 688,160.01/x
  3. Step 3: Cross multiply
    1,261,088.40x = 1,740,343.95 × 688,160.01
  4. Step 4: Simplify right side
    1,261,088.40x = 1,197,635,110,035.44
  5. Step 5: Solve for x
    x = 1,197,635,110,035.44/1,261,088.40
  6. Step 6: Final answer
    x = 949,683.71

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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.