Home / 1,679,792.40-2,525,909.40-1,406,077.20

Finding the Fourth Proportional to 1,679,792.40, 2,525,909.40 and 1,406,077.20

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Solution

The fourth proportional to 1,679,792.40, 2,525,909.40 and 1,406,077.20 is: 2,114,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,792.40 : 2,525,909.40 = 1,406,077.20 : x
  2. Step 2: Convert to fraction form
    1,679,792.40/2,525,909.40 = 1,406,077.20/x
  3. Step 3: Cross multiply
    1,679,792.40x = 2,525,909.40 × 1,406,077.20
  4. Step 4: Simplify right side
    1,679,792.40x = 3,551,623,616,605.68
  5. Step 5: Solve for x
    x = 3,551,623,616,605.68/1,679,792.40
  6. Step 6: Final answer
    x = 2,114,322.95

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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.