Home / 1,075,930.61-1,484,338.59-640,260.72

Finding the Fourth Proportional to 1,075,930.61, 1,484,338.59 and 640,260.72

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Solution

The fourth proportional to 1,075,930.61, 1,484,338.59 and 640,260.72 is: 883,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,930.61 : 1,484,338.59 = 640,260.72 : x
  2. Step 2: Convert to fraction form
    1,075,930.61/1,484,338.59 = 640,260.72/x
  3. Step 3: Cross multiply
    1,075,930.61x = 1,484,338.59 × 640,260.72
  4. Step 4: Simplify right side
    1,075,930.61x = 950,363,694,357.19
  5. Step 5: Solve for x
    x = 950,363,694,357.19/1,075,930.61
  6. Step 6: Final answer
    x = 883,294.60

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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.