Home / 1,423,627.89-1,964,606.59-779,048.11

Finding the Fourth Proportional to 1,423,627.89, 1,964,606.59 and 779,048.11

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Solution

The fourth proportional to 1,423,627.89, 1,964,606.59 and 779,048.11 is: 1,075,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,627.89 : 1,964,606.59 = 779,048.11 : x
  2. Step 2: Convert to fraction form
    1,423,627.89/1,964,606.59 = 779,048.11/x
  3. Step 3: Cross multiply
    1,423,627.89x = 1,964,606.59 × 779,048.11
  4. Step 4: Simplify right side
    1,423,627.89x = 1,530,523,049,880.47
  5. Step 5: Solve for x
    x = 1,530,523,049,880.47/1,423,627.89
  6. Step 6: Final answer
    x = 1,075,086.45

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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.