Home / 1,267,152.66-1,901,012.67-425,681.46

Finding the Fourth Proportional to 1,267,152.66, 1,901,012.67 and 425,681.46

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Solution

The fourth proportional to 1,267,152.66, 1,901,012.67 and 425,681.46 is: 638,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,152.66 : 1,901,012.67 = 425,681.46 : x
  2. Step 2: Convert to fraction form
    1,267,152.66/1,901,012.67 = 425,681.46/x
  3. Step 3: Cross multiply
    1,267,152.66x = 1,901,012.67 × 425,681.46
  4. Step 4: Simplify right side
    1,267,152.66x = 809,225,848,844.10
  5. Step 5: Solve for x
    x = 809,225,848,844.10/1,267,152.66
  6. Step 6: Final answer
    x = 638,617.49

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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.