Home / 1,088,427.71-1,632,641.86-319,925.54

Finding the Fourth Proportional to 1,088,427.71, 1,632,641.86 and 319,925.54

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Solution

The fourth proportional to 1,088,427.71, 1,632,641.86 and 319,925.54 is: 479,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,427.71 : 1,632,641.86 = 319,925.54 : x
  2. Step 2: Convert to fraction form
    1,088,427.71/1,632,641.86 = 319,925.54/x
  3. Step 3: Cross multiply
    1,088,427.71x = 1,632,641.86 × 319,925.54
  4. Step 4: Simplify right side
    1,088,427.71x = 522,323,831,369.04
  5. Step 5: Solve for x
    x = 522,323,831,369.04/1,088,427.71
  6. Step 6: Final answer
    x = 479,888.40

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1.5x scale

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.