Home / 1,012,811.40-1,519,217.10-634,897.80

Finding the Fourth Proportional to 1,012,811.40, 1,519,217.10 and 634,897.80

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Solution

The fourth proportional to 1,012,811.40, 1,519,217.10 and 634,897.80 is: 952,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,811.40 : 1,519,217.10 = 634,897.80 : x
  2. Step 2: Convert to fraction form
    1,012,811.40/1,519,217.10 = 634,897.80/x
  3. Step 3: Cross multiply
    1,012,811.40x = 1,519,217.10 × 634,897.80
  4. Step 4: Simplify right side
    1,012,811.40x = 964,547,594,512.38
  5. Step 5: Solve for x
    x = 964,547,594,512.38/1,012,811.40
  6. Step 6: Final answer
    x = 952,346.70

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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.