Home / 1,075,978.08-1,484,854.20-617,110.38

Finding the Fourth Proportional to 1,075,978.08, 1,484,854.20 and 617,110.38

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Solution

The fourth proportional to 1,075,978.08, 1,484,854.20 and 617,110.38 is: 851,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,978.08 : 1,484,854.20 = 617,110.38 : x
  2. Step 2: Convert to fraction form
    1,075,978.08/1,484,854.20 = 617,110.38/x
  3. Step 3: Cross multiply
    1,075,978.08x = 1,484,854.20 × 617,110.38
  4. Step 4: Simplify right side
    1,075,978.08x = 916,318,939,606.60
  5. Step 5: Solve for x
    x = 916,318,939,606.60/1,075,978.08
  6. Step 6: Final answer
    x = 851,614.88

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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.