Home / 1,152,523.47-1,590,690.60-687,407.19

Finding the Fourth Proportional to 1,152,523.47, 1,590,690.60 and 687,407.19

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Solution

The fourth proportional to 1,152,523.47, 1,590,690.60 and 687,407.19 is: 948,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,523.47 : 1,590,690.60 = 687,407.19 : x
  2. Step 2: Convert to fraction form
    1,152,523.47/1,590,690.60 = 687,407.19/x
  3. Step 3: Cross multiply
    1,152,523.47x = 1,590,690.60 × 687,407.19
  4. Step 4: Simplify right side
    1,152,523.47x = 1,093,452,155,505.41
  5. Step 5: Solve for x
    x = 1,093,452,155,505.41/1,152,523.47
  6. Step 6: Final answer
    x = 948,746.11

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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.