Home / 1,213,440.57-1,820,394.95-465,428.25

Finding the Fourth Proportional to 1,213,440.57, 1,820,394.95 and 465,428.25

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Solution

The fourth proportional to 1,213,440.57, 1,820,394.95 and 465,428.25 is: 698,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,440.57 : 1,820,394.95 = 465,428.25 : x
  2. Step 2: Convert to fraction form
    1,213,440.57/1,820,394.95 = 465,428.25/x
  3. Step 3: Cross multiply
    1,213,440.57x = 1,820,394.95 × 465,428.25
  4. Step 4: Simplify right side
    1,213,440.57x = 847,263,233,560.20
  5. Step 5: Solve for x
    x = 847,263,233,560.20/1,213,440.57
  6. Step 6: Final answer
    x = 698,232.16

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1.5x scale

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.