Home / 1,792,515.39-2,689,567.76-939,384.21

Finding the Fourth Proportional to 1,792,515.39, 2,689,567.76 and 939,384.21

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Solution

The fourth proportional to 1,792,515.39, 2,689,567.76 and 939,384.21 is: 1,409,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,515.39 : 2,689,567.76 = 939,384.21 : x
  2. Step 2: Convert to fraction form
    1,792,515.39/2,689,567.76 = 939,384.21/x
  3. Step 3: Cross multiply
    1,792,515.39x = 2,689,567.76 × 939,384.21
  4. Step 4: Simplify right side
    1,792,515.39x = 2,526,537,480,772.15
  5. Step 5: Solve for x
    x = 2,526,537,480,772.15/1,792,515.39
  6. Step 6: Final answer
    x = 1,409,492.77

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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.