Home / 1,588,931.27-2,190,667.03-1,029,129.67

Finding the Fourth Proportional to 1,588,931.27, 2,190,667.03 and 1,029,129.67

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Solution

The fourth proportional to 1,588,931.27, 2,190,667.03 and 1,029,129.67 is: 1,418,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,931.27 : 2,190,667.03 = 1,029,129.67 : x
  2. Step 2: Convert to fraction form
    1,588,931.27/2,190,667.03 = 1,029,129.67/x
  3. Step 3: Cross multiply
    1,588,931.27x = 2,190,667.03 × 1,029,129.67
  4. Step 4: Simplify right side
    1,588,931.27x = 2,254,480,437,008.06
  5. Step 5: Solve for x
    x = 2,254,480,437,008.06/1,588,931.27
  6. Step 6: Final answer
    x = 1,418,865.92

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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.