Home / 1,312,921-1,810,931.22-803,874.76

Finding the Fourth Proportional to 1,312,921, 1,810,931.22 and 803,874.76

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Solution

The fourth proportional to 1,312,921, 1,810,931.22 and 803,874.76 is: 1,108,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,921 : 1,810,931.22 = 803,874.76 : x
  2. Step 2: Convert to fraction form
    1,312,921/1,810,931.22 = 803,874.76/x
  3. Step 3: Cross multiply
    1,312,921x = 1,810,931.22 × 803,874.76
  4. Step 4: Simplify right side
    1,312,921x = 1,455,761,899,854.01
  5. Step 5: Solve for x
    x = 1,455,761,899,854.01/1,312,921
  6. Step 6: Final answer
    x = 1,108,796.26

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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.