Home / 1,603,926.57-2,405,869.08-389,513.15

Finding the Fourth Proportional to 1,603,926.57, 2,405,869.08 and 389,513.15

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Solution

The fourth proportional to 1,603,926.57, 2,405,869.08 and 389,513.15 is: 584,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,926.57 : 2,405,869.08 = 389,513.15 : x
  2. Step 2: Convert to fraction form
    1,603,926.57/2,405,869.08 = 389,513.15/x
  3. Step 3: Cross multiply
    1,603,926.57x = 2,405,869.08 × 389,513.15
  4. Step 4: Simplify right side
    1,603,926.57x = 937,117,631,809.06
  5. Step 5: Solve for x
    x = 937,117,631,809.06/1,603,926.57
  6. Step 6: Final answer
    x = 584,264.67

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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.