Home / 1,075,930.33-1,484,338.24-640,260.45

Finding the Fourth Proportional to 1,075,930.33, 1,484,338.24 and 640,260.45

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Solution

The fourth proportional to 1,075,930.33, 1,484,338.24 and 640,260.45 is: 883,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,930.33 : 1,484,338.24 = 640,260.45 : x
  2. Step 2: Convert to fraction form
    1,075,930.33/1,484,338.24 = 640,260.45/x
  3. Step 3: Cross multiply
    1,075,930.33x = 1,484,338.24 × 640,260.45
  4. Step 4: Simplify right side
    1,075,930.33x = 950,363,069,494.61
  5. Step 5: Solve for x
    x = 950,363,069,494.61/1,075,930.33
  6. Step 6: Final answer
    x = 883,294.25

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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.