Home / 1,114,674.64-1,538,345.87-631,325.77

Finding the Fourth Proportional to 1,114,674.64, 1,538,345.87 and 631,325.77

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Solution

The fourth proportional to 1,114,674.64, 1,538,345.87 and 631,325.77 is: 871,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,674.64 : 1,538,345.87 = 631,325.77 : x
  2. Step 2: Convert to fraction form
    1,114,674.64/1,538,345.87 = 631,325.77/x
  3. Step 3: Cross multiply
    1,114,674.64x = 1,538,345.87 × 631,325.77
  4. Step 4: Simplify right side
    1,114,674.64x = 971,197,390,904.07
  5. Step 5: Solve for x
    x = 971,197,390,904.07/1,114,674.64
  6. Step 6: Final answer
    x = 871,283.29

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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.