Home / 1,205,425.40-1,663,482.02-661,570.07

Finding the Fourth Proportional to 1,205,425.40, 1,663,482.02 and 661,570.07

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Solution

The fourth proportional to 1,205,425.40, 1,663,482.02 and 661,570.07 is: 912,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,425.40 : 1,663,482.02 = 661,570.07 : x
  2. Step 2: Convert to fraction form
    1,205,425.40/1,663,482.02 = 661,570.07/x
  3. Step 3: Cross multiply
    1,205,425.40x = 1,663,482.02 × 661,570.07
  4. Step 4: Simplify right side
    1,205,425.40x = 1,100,509,904,789.88
  5. Step 5: Solve for x
    x = 1,100,509,904,789.88/1,205,425.40
  6. Step 6: Final answer
    x = 912,963.93

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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.