Home / 1,264,355.60-1,891,867.80-1,152,381.20

Finding the Fourth Proportional to 1,264,355.60, 1,891,867.80 and 1,152,381.20

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Solution

The fourth proportional to 1,264,355.60, 1,891,867.80 and 1,152,381.20 is: 1,724,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,355.60 : 1,891,867.80 = 1,152,381.20 : x
  2. Step 2: Convert to fraction form
    1,264,355.60/1,891,867.80 = 1,152,381.20/x
  3. Step 3: Cross multiply
    1,264,355.60x = 1,891,867.80 × 1,152,381.20
  4. Step 4: Simplify right side
    1,264,355.60x = 2,180,152,885,605.36
  5. Step 5: Solve for x
    x = 2,180,152,885,605.36/1,264,355.60
  6. Step 6: Final answer
    x = 1,724,319.40

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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.