Home / 1,365,143.63-1,883,898.20-761,531.63

Finding the Fourth Proportional to 1,365,143.63, 1,883,898.20 and 761,531.63

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Solution

The fourth proportional to 1,365,143.63, 1,883,898.20 and 761,531.63 is: 1,050,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,143.63 : 1,883,898.20 = 761,531.63 : x
  2. Step 2: Convert to fraction form
    1,365,143.63/1,883,898.20 = 761,531.63/x
  3. Step 3: Cross multiply
    1,365,143.63x = 1,883,898.20 × 761,531.63
  4. Step 4: Simplify right side
    1,365,143.63x = 1,434,648,059,484.40
  5. Step 5: Solve for x
    x = 1,434,648,059,484.40/1,365,143.63
  6. Step 6: Final answer
    x = 1,050,913.64

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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.