Home / 1,683,468.70-2,525,203.05-421,294.30

Finding the Fourth Proportional to 1,683,468.70, 2,525,203.05 and 421,294.30

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Solution

The fourth proportional to 1,683,468.70, 2,525,203.05 and 421,294.30 is: 631,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,468.70 : 2,525,203.05 = 421,294.30 : x
  2. Step 2: Convert to fraction form
    1,683,468.70/2,525,203.05 = 421,294.30/x
  3. Step 3: Cross multiply
    1,683,468.70x = 2,525,203.05 × 421,294.30
  4. Step 4: Simplify right side
    1,683,468.70x = 1,063,853,651,307.61
  5. Step 5: Solve for x
    x = 1,063,853,651,307.61/1,683,468.70
  6. Step 6: Final answer
    x = 631,941.45

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Double scale
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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.