Home / 1,316,904.98-1,975,343.07-319,632.98

Finding the Fourth Proportional to 1,316,904.98, 1,975,343.07 and 319,632.98

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Solution

The fourth proportional to 1,316,904.98, 1,975,343.07 and 319,632.98 is: 479,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,904.98 : 1,975,343.07 = 319,632.98 : x
  2. Step 2: Convert to fraction form
    1,316,904.98/1,975,343.07 = 319,632.98/x
  3. Step 3: Cross multiply
    1,316,904.98x = 1,975,343.07 × 319,632.98
  4. Step 4: Simplify right side
    1,316,904.98x = 631,384,791,986.45
  5. Step 5: Solve for x
    x = 631,384,791,986.45/1,316,904.98
  6. Step 6: Final answer
    x = 479,445.97

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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.