Home / 1,572,684.90-2,169,056.89-1,020,797.27

Finding the Fourth Proportional to 1,572,684.90, 2,169,056.89 and 1,020,797.27

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Solution

The fourth proportional to 1,572,684.90, 2,169,056.89 and 1,020,797.27 is: 1,407,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,684.90 : 2,169,056.89 = 1,020,797.27 : x
  2. Step 2: Convert to fraction form
    1,572,684.90/2,169,056.89 = 1,020,797.27/x
  3. Step 3: Cross multiply
    1,572,684.90x = 2,169,056.89 × 1,020,797.27
  4. Step 4: Simplify right side
    1,572,684.90x = 2,214,167,351,786.69
  5. Step 5: Solve for x
    x = 2,214,167,351,786.69/1,572,684.90
  6. Step 6: Final answer
    x = 1,407,890.01

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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.