Home / 1,011,511.04-1,517,485.08-538,127.60

Finding the Fourth Proportional to 1,011,511.04, 1,517,485.08 and 538,127.60

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Solution

The fourth proportional to 1,011,511.04, 1,517,485.08 and 538,127.60 is: 807,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,511.04 : 1,517,485.08 = 538,127.60 : x
  2. Step 2: Convert to fraction form
    1,011,511.04/1,517,485.08 = 538,127.60/x
  3. Step 3: Cross multiply
    1,011,511.04x = 1,517,485.08 × 538,127.60
  4. Step 4: Simplify right side
    1,011,511.04x = 816,600,604,136.21
  5. Step 5: Solve for x
    x = 816,600,604,136.21/1,011,511.04
  6. Step 6: Final answer
    x = 807,307.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.