Home / 1,008,776.94-1,392,110.91-556,075.50

Finding the Fourth Proportional to 1,008,776.94, 1,392,110.91 and 556,075.50

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Solution

The fourth proportional to 1,008,776.94, 1,392,110.91 and 556,075.50 is: 767,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,776.94 : 1,392,110.91 = 556,075.50 : x
  2. Step 2: Convert to fraction form
    1,008,776.94/1,392,110.91 = 556,075.50/x
  3. Step 3: Cross multiply
    1,008,776.94x = 1,392,110.91 × 556,075.50
  4. Step 4: Simplify right side
    1,008,776.94x = 774,118,770,333.71
  5. Step 5: Solve for x
    x = 774,118,770,333.71/1,008,776.94
  6. Step 6: Final answer
    x = 767,383.49

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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.