Home / 1,692,578.16-2,335,715.64-947,493.72

Finding the Fourth Proportional to 1,692,578.16, 2,335,715.64 and 947,493.72

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Solution

The fourth proportional to 1,692,578.16, 2,335,715.64 and 947,493.72 is: 1,307,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,578.16 : 2,335,715.64 = 947,493.72 : x
  2. Step 2: Convert to fraction form
    1,692,578.16/2,335,715.64 = 947,493.72/x
  3. Step 3: Cross multiply
    1,692,578.16x = 2,335,715.64 × 947,493.72
  4. Step 4: Simplify right side
    1,692,578.16x = 2,213,075,900,605.78
  5. Step 5: Solve for x
    x = 2,213,075,900,605.78/1,692,578.16
  6. Step 6: Final answer
    x = 1,307,517.70

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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.