Home / 1,312,445.98-1,811,231.30-731,669.00

Finding the Fourth Proportional to 1,312,445.98, 1,811,231.30 and 731,669.00

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Solution

The fourth proportional to 1,312,445.98, 1,811,231.30 and 731,669.00 is: 1,009,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,445.98 : 1,811,231.30 = 731,669.00 : x
  2. Step 2: Convert to fraction form
    1,312,445.98/1,811,231.30 = 731,669.00/x
  3. Step 3: Cross multiply
    1,312,445.98x = 1,811,231.30 × 731,669.00
  4. Step 4: Simplify right side
    1,312,445.98x = 1,325,221,786,812.72
  5. Step 5: Solve for x
    x = 1,325,221,786,812.72/1,312,445.98
  6. Step 6: Final answer
    x = 1,009,734.35

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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.