Home / 940,436.86-1,298,199.98-634,926.90

Finding the Fourth Proportional to 940,436.86, 1,298,199.98 and 634,926.90

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Solution

The fourth proportional to 940,436.86, 1,298,199.98 and 634,926.90 is: 876,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,436.86 : 1,298,199.98 = 634,926.90 : x
  2. Step 2: Convert to fraction form
    940,436.86/1,298,199.98 = 634,926.90/x
  3. Step 3: Cross multiply
    940,436.86x = 1,298,199.98 × 634,926.90
  4. Step 4: Simplify right side
    940,436.86x = 824,262,088,881.46
  5. Step 5: Solve for x
    x = 824,262,088,881.46/940,436.86
  6. Step 6: Final answer
    x = 876,467.23

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1.5x scale

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.