Home / 1,140,549.39-1,574,007.80-631,251.63

Finding the Fourth Proportional to 1,140,549.39, 1,574,007.80 and 631,251.63

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Solution

The fourth proportional to 1,140,549.39, 1,574,007.80 and 631,251.63 is: 871,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,549.39 : 1,574,007.80 = 631,251.63 : x
  2. Step 2: Convert to fraction form
    1,140,549.39/1,574,007.80 = 631,251.63/x
  3. Step 3: Cross multiply
    1,140,549.39x = 1,574,007.80 × 631,251.63
  4. Step 4: Simplify right side
    1,140,549.39x = 993,594,986,226.46
  5. Step 5: Solve for x
    x = 993,594,986,226.46/1,140,549.39
  6. Step 6: Final answer
    x = 871,154.72

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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.