Home / 1,312,657.72-1,811,456.88-731,873.95

Finding the Fourth Proportional to 1,312,657.72, 1,811,456.88 and 731,873.95

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Solution

The fourth proportional to 1,312,657.72, 1,811,456.88 and 731,873.95 is: 1,009,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,657.72 : 1,811,456.88 = 731,873.95 : x
  2. Step 2: Convert to fraction form
    1,312,657.72/1,811,456.88 = 731,873.95/x
  3. Step 3: Cross multiply
    1,312,657.72x = 1,811,456.88 × 731,873.95
  4. Step 4: Simplify right side
    1,312,657.72x = 1,325,758,092,962.99
  5. Step 5: Solve for x
    x = 1,325,758,092,962.99/1,312,657.72
  6. Step 6: Final answer
    x = 1,009,980.04

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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.