Home / 1,155,406.51-1,594,431.15-639,146.95

Finding the Fourth Proportional to 1,155,406.51, 1,594,431.15 and 639,146.95

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Solution

The fourth proportional to 1,155,406.51, 1,594,431.15 and 639,146.95 is: 882,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,406.51 : 1,594,431.15 = 639,146.95 : x
  2. Step 2: Convert to fraction form
    1,155,406.51/1,594,431.15 = 639,146.95/x
  3. Step 3: Cross multiply
    1,155,406.51x = 1,594,431.15 × 639,146.95
  4. Step 4: Simplify right side
    1,155,406.51x = 1,019,075,806,507.49
  5. Step 5: Solve for x
    x = 1,019,075,806,507.49/1,155,406.51
  6. Step 6: Final answer
    x = 882,006.29

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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.