Home / 1,301,771.79-1,952,280.66-390,917.53

Finding the Fourth Proportional to 1,301,771.79, 1,952,280.66 and 390,917.53

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Solution

The fourth proportional to 1,301,771.79, 1,952,280.66 and 390,917.53 is: 586,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,771.79 : 1,952,280.66 = 390,917.53 : x
  2. Step 2: Convert to fraction form
    1,301,771.79/1,952,280.66 = 390,917.53/x
  3. Step 3: Cross multiply
    1,301,771.79x = 1,952,280.66 × 390,917.53
  4. Step 4: Simplify right side
    1,301,771.79x = 763,180,733,473.97
  5. Step 5: Solve for x
    x = 763,180,733,473.97/1,301,771.79
  6. Step 6: Final answer
    x = 586,263.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.