Home / 1,127,090.03-1,690,653.51-328,415.45

Finding the Fourth Proportional to 1,127,090.03, 1,690,653.51 and 328,415.45

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Solution

The fourth proportional to 1,127,090.03, 1,690,653.51 and 328,415.45 is: 492,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,090.03 : 1,690,653.51 = 328,415.45 : x
  2. Step 2: Convert to fraction form
    1,127,090.03/1,690,653.51 = 328,415.45/x
  3. Step 3: Cross multiply
    1,127,090.03x = 1,690,653.51 × 328,415.45
  4. Step 4: Simplify right side
    1,127,090.03x = 555,236,724,827.46
  5. Step 5: Solve for x
    x = 555,236,724,827.46/1,127,090.03
  6. Step 6: Final answer
    x = 492,628.55

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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.