Home / 1,008,923.63-1,391,527.30-646,381.22

Finding the Fourth Proportional to 1,008,923.63, 1,391,527.30 and 646,381.22

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Solution

The fourth proportional to 1,008,923.63, 1,391,527.30 and 646,381.22 is: 891,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,923.63 : 1,391,527.30 = 646,381.22 : x
  2. Step 2: Convert to fraction form
    1,008,923.63/1,391,527.30 = 646,381.22/x
  3. Step 3: Cross multiply
    1,008,923.63x = 1,391,527.30 × 646,381.22
  4. Step 4: Simplify right side
    1,008,923.63x = 899,457,118,216.69
  5. Step 5: Solve for x
    x = 899,457,118,216.69/1,008,923.63
  6. Step 6: Final answer
    x = 891,501.69

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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.