Home / 1,423,570.83-1,964,527.69-778,991.08

Finding the Fourth Proportional to 1,423,570.83, 1,964,527.69 and 778,991.08

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Solution

The fourth proportional to 1,423,570.83, 1,964,527.69 and 778,991.08 is: 1,075,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,570.83 : 1,964,527.69 = 778,991.08 : x
  2. Step 2: Convert to fraction form
    1,423,570.83/1,964,527.69 = 778,991.08/x
  3. Step 3: Cross multiply
    1,423,570.83x = 1,964,527.69 × 778,991.08
  4. Step 4: Simplify right side
    1,423,570.83x = 1,530,349,543,028.05
  5. Step 5: Solve for x
    x = 1,530,349,543,028.05/1,423,570.83
  6. Step 6: Final answer
    x = 1,075,007.66

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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.