Home / 1,117,870.08-1,542,398.40-634,325.76

Finding the Fourth Proportional to 1,117,870.08, 1,542,398.40 and 634,325.76

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Solution

The fourth proportional to 1,117,870.08, 1,542,398.40 and 634,325.76 is: 875,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,870.08 : 1,542,398.40 = 634,325.76 : x
  2. Step 2: Convert to fraction form
    1,117,870.08/1,542,398.40 = 634,325.76/x
  3. Step 3: Cross multiply
    1,117,870.08x = 1,542,398.40 × 634,325.76
  4. Step 4: Simplify right side
    1,117,870.08x = 978,383,037,302.78
  5. Step 5: Solve for x
    x = 978,383,037,302.78/1,117,870.08
  6. Step 6: Final answer
    x = 875,220.70

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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.