Home / 1,223,332.55-1,836,602.54-820,328.06

Finding the Fourth Proportional to 1,223,332.55, 1,836,602.54 and 820,328.06

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Solution

The fourth proportional to 1,223,332.55, 1,836,602.54 and 820,328.06 is: 1,231,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,332.55 : 1,836,602.54 = 820,328.06 : x
  2. Step 2: Convert to fraction form
    1,223,332.55/1,836,602.54 = 820,328.06/x
  3. Step 3: Cross multiply
    1,223,332.55x = 1,836,602.54 × 820,328.06
  4. Step 4: Simplify right side
    1,223,332.55x = 1,506,616,596,333.52
  5. Step 5: Solve for x
    x = 1,506,616,596,333.52/1,223,332.55
  6. Step 6: Final answer
    x = 1,231,567.49

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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.