Home / 1,133,459.04-1,563,762.64-643,144.60

Finding the Fourth Proportional to 1,133,459.04, 1,563,762.64 and 643,144.60

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Solution

The fourth proportional to 1,133,459.04, 1,563,762.64 and 643,144.60 is: 887,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,459.04 : 1,563,762.64 = 643,144.60 : x
  2. Step 2: Convert to fraction form
    1,133,459.04/1,563,762.64 = 643,144.60/x
  3. Step 3: Cross multiply
    1,133,459.04x = 1,563,762.64 × 643,144.60
  4. Step 4: Simplify right side
    1,133,459.04x = 1,005,725,497,597.74
  5. Step 5: Solve for x
    x = 1,005,725,497,597.74/1,133,459.04
  6. Step 6: Final answer
    x = 887,306.43

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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.