Home / 1,325,888.48-1,988,832.90-472,925.64

Finding the Fourth Proportional to 1,325,888.48, 1,988,832.90 and 472,925.64

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Solution

The fourth proportional to 1,325,888.48, 1,988,832.90 and 472,925.64 is: 709,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,888.48 : 1,988,832.90 = 472,925.64 : x
  2. Step 2: Convert to fraction form
    1,325,888.48/1,988,832.90 = 472,925.64/x
  3. Step 3: Cross multiply
    1,325,888.48x = 1,988,832.90 × 472,925.64
  4. Step 4: Simplify right side
    1,325,888.48x = 940,570,072,085.56
  5. Step 5: Solve for x
    x = 940,570,072,085.56/1,325,888.48
  6. Step 6: Final answer
    x = 709,388.52

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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.