Home / 1,316,898.48-1,975,333.32-319,626.48

Finding the Fourth Proportional to 1,316,898.48, 1,975,333.32 and 319,626.48

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Solution

The fourth proportional to 1,316,898.48, 1,975,333.32 and 319,626.48 is: 479,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,898.48 : 1,975,333.32 = 319,626.48 : x
  2. Step 2: Convert to fraction form
    1,316,898.48/1,975,333.32 = 319,626.48/x
  3. Step 3: Cross multiply
    1,316,898.48x = 1,975,333.32 × 319,626.48
  4. Step 4: Simplify right side
    1,316,898.48x = 631,368,835,898.31
  5. Step 5: Solve for x
    x = 631,368,835,898.31/1,316,898.48
  6. Step 6: Final answer
    x = 479,436.22

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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.