Home / 1,429,929.17-1,973,225.36-818,016.29

Finding the Fourth Proportional to 1,429,929.17, 1,973,225.36 and 818,016.29

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Solution

The fourth proportional to 1,429,929.17, 1,973,225.36 and 818,016.29 is: 1,128,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,929.17 : 1,973,225.36 = 818,016.29 : x
  2. Step 2: Convert to fraction form
    1,429,929.17/1,973,225.36 = 818,016.29/x
  3. Step 3: Cross multiply
    1,429,929.17x = 1,973,225.36 × 818,016.29
  4. Step 4: Simplify right side
    1,429,929.17x = 1,614,130,480,500.03
  5. Step 5: Solve for x
    x = 1,614,130,480,500.03/1,429,929.17
  6. Step 6: Final answer
    x = 1,128,818.49

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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.