Home / 1,434,955.80-1,980,238.83-790,376.00

Finding the Fourth Proportional to 1,434,955.80, 1,980,238.83 and 790,376.00

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Solution

The fourth proportional to 1,434,955.80, 1,980,238.83 and 790,376.00 is: 1,090,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,955.80 : 1,980,238.83 = 790,376.00 : x
  2. Step 2: Convert to fraction form
    1,434,955.80/1,980,238.83 = 790,376.00/x
  3. Step 3: Cross multiply
    1,434,955.80x = 1,980,238.83 × 790,376.00
  4. Step 4: Simplify right side
    1,434,955.80x = 1,565,133,232,634.98
  5. Step 5: Solve for x
    x = 1,565,133,232,634.98/1,434,955.80
  6. Step 6: Final answer
    x = 1,090,718.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.