Home / 1,423,595.26-1,964,561.41-779,015.53

Finding the Fourth Proportional to 1,423,595.26, 1,964,561.41 and 779,015.53

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Solution

The fourth proportional to 1,423,595.26, 1,964,561.41 and 779,015.53 is: 1,075,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,595.26 : 1,964,561.41 = 779,015.53 : x
  2. Step 2: Convert to fraction form
    1,423,595.26/1,964,561.41 = 779,015.53/x
  3. Step 3: Cross multiply
    1,423,595.26x = 1,964,561.41 × 779,015.53
  4. Step 4: Simplify right side
    1,423,595.26x = 1,530,423,841,169.76
  5. Step 5: Solve for x
    x = 1,530,423,841,169.76/1,423,595.26
  6. Step 6: Final answer
    x = 1,075,041.40

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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.