Home / 1,328,021.02-1,832,674.80-724,421.98

Finding the Fourth Proportional to 1,328,021.02, 1,832,674.80 and 724,421.98

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Solution

The fourth proportional to 1,328,021.02, 1,832,674.80 and 724,421.98 is: 999,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,021.02 : 1,832,674.80 = 724,421.98 : x
  2. Step 2: Convert to fraction form
    1,328,021.02/1,832,674.80 = 724,421.98/x
  3. Step 3: Cross multiply
    1,328,021.02x = 1,832,674.80 × 724,421.98
  4. Step 4: Simplify right side
    1,328,021.02x = 1,327,629,907,312.10
  5. Step 5: Solve for x
    x = 1,327,629,907,312.10/1,328,021.02
  6. Step 6: Final answer
    x = 999,705.49

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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.