Home / 1,572,066.74-2,169,308.94-909,664.11

Finding the Fourth Proportional to 1,572,066.74, 2,169,308.94 and 909,664.11

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Solution

The fourth proportional to 1,572,066.74, 2,169,308.94 and 909,664.11 is: 1,255,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,066.74 : 2,169,308.94 = 909,664.11 : x
  2. Step 2: Convert to fraction form
    1,572,066.74/2,169,308.94 = 909,664.11/x
  3. Step 3: Cross multiply
    1,572,066.74x = 2,169,308.94 × 909,664.11
  4. Step 4: Simplify right side
    1,572,066.74x = 1,973,342,486,220.14
  5. Step 5: Solve for x
    x = 1,973,342,486,220.14/1,572,066.74
  6. Step 6: Final answer
    x = 1,255,253.64

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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.