Home / 1,423,626.91-1,964,605.32-779,047.15

Finding the Fourth Proportional to 1,423,626.91, 1,964,605.32 and 779,047.15

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Solution

The fourth proportional to 1,423,626.91, 1,964,605.32 and 779,047.15 is: 1,075,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,626.91 : 1,964,605.32 = 779,047.15 : x
  2. Step 2: Convert to fraction form
    1,423,626.91/1,964,605.32 = 779,047.15/x
  3. Step 3: Cross multiply
    1,423,626.91x = 1,964,605.32 × 779,047.15
  4. Step 4: Simplify right side
    1,423,626.91x = 1,530,520,175,420.84
  5. Step 5: Solve for x
    x = 1,530,520,175,420.84/1,423,626.91
  6. Step 6: Final answer
    x = 1,075,085.17

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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.