Home / 1,113,281.12-1,537,126.80-684,136.64

Finding the Fourth Proportional to 1,113,281.12, 1,537,126.80 and 684,136.64

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Solution

The fourth proportional to 1,113,281.12, 1,537,126.80 and 684,136.64 is: 944,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,281.12 : 1,537,126.80 = 684,136.64 : x
  2. Step 2: Convert to fraction form
    1,113,281.12/1,537,126.80 = 684,136.64/x
  3. Step 3: Cross multiply
    1,113,281.12x = 1,537,126.80 × 684,136.64
  4. Step 4: Simplify right side
    1,113,281.12x = 1,051,604,764,205.95
  5. Step 5: Solve for x
    x = 1,051,604,764,205.95/1,113,281.12
  6. Step 6: Final answer
    x = 944,599.48

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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.