Home / 1,224,708.02-1,690,154.74-680,852.89

Finding the Fourth Proportional to 1,224,708.02, 1,690,154.74 and 680,852.89

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Solution

The fourth proportional to 1,224,708.02, 1,690,154.74 and 680,852.89 is: 939,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,708.02 : 1,690,154.74 = 680,852.89 : x
  2. Step 2: Convert to fraction form
    1,224,708.02/1,690,154.74 = 680,852.89/x
  3. Step 3: Cross multiply
    1,224,708.02x = 1,690,154.74 × 680,852.89
  4. Step 4: Simplify right side
    1,224,708.02x = 1,150,746,742,239.96
  5. Step 5: Solve for x
    x = 1,150,746,742,239.96/1,224,708.02
  6. Step 6: Final answer
    x = 939,609.05

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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.