Home / 1,036,461.21-1,429,555.11-686,969.55

Finding the Fourth Proportional to 1,036,461.21, 1,429,555.11 and 686,969.55

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Solution

The fourth proportional to 1,036,461.21, 1,429,555.11 and 686,969.55 is: 947,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,461.21 : 1,429,555.11 = 686,969.55 : x
  2. Step 2: Convert to fraction form
    1,036,461.21/1,429,555.11 = 686,969.55/x
  3. Step 3: Cross multiply
    1,036,461.21x = 1,429,555.11 × 686,969.55
  4. Step 4: Simplify right side
    1,036,461.21x = 982,060,830,616.90
  5. Step 5: Solve for x
    x = 982,060,830,616.90/1,036,461.21
  6. Step 6: Final answer
    x = 947,513.35

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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.