Home / 1,071,374.28-1,478,514.47-587,984.40

Finding the Fourth Proportional to 1,071,374.28, 1,478,514.47 and 587,984.40

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Solution

The fourth proportional to 1,071,374.28, 1,478,514.47 and 587,984.40 is: 811,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,374.28 : 1,478,514.47 = 587,984.40 : x
  2. Step 2: Convert to fraction form
    1,071,374.28/1,478,514.47 = 587,984.40/x
  3. Step 3: Cross multiply
    1,071,374.28x = 1,478,514.47 × 587,984.40
  4. Step 4: Simplify right side
    1,071,374.28x = 869,343,440,594.35
  5. Step 5: Solve for x
    x = 869,343,440,594.35/1,071,374.28
  6. Step 6: Final answer
    x = 811,428.33

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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.