Home / 1,754,965.60-2,631,670.80-808,626.40

Finding the Fourth Proportional to 1,754,965.60, 2,631,670.80 and 808,626.40

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Solution

The fourth proportional to 1,754,965.60, 2,631,670.80 and 808,626.40 is: 1,212,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,965.60 : 2,631,670.80 = 808,626.40 : x
  2. Step 2: Convert to fraction form
    1,754,965.60/2,631,670.80 = 808,626.40/x
  3. Step 3: Cross multiply
    1,754,965.60x = 2,631,670.80 × 808,626.40
  4. Step 4: Simplify right side
    1,754,965.60x = 2,128,038,484,989.12
  5. Step 5: Solve for x
    x = 2,128,038,484,989.12/1,754,965.60
  6. Step 6: Final answer
    x = 1,212,581.31

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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.