Home / 1,190,565.59-1,643,011.09-646,732.50

Finding the Fourth Proportional to 1,190,565.59, 1,643,011.09 and 646,732.50

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Solution

The fourth proportional to 1,190,565.59, 1,643,011.09 and 646,732.50 is: 892,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,565.59 : 1,643,011.09 = 646,732.50 : x
  2. Step 2: Convert to fraction form
    1,190,565.59/1,643,011.09 = 646,732.50/x
  3. Step 3: Cross multiply
    1,190,565.59x = 1,643,011.09 × 646,732.50
  4. Step 4: Simplify right side
    1,190,565.59x = 1,062,588,671,227.24
  5. Step 5: Solve for x
    x = 1,062,588,671,227.24/1,190,565.59
  6. Step 6: Final answer
    x = 892,507.46

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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.