Home / 1,514,340.76-2,089,792.02-869,885.80

Finding the Fourth Proportional to 1,514,340.76, 2,089,792.02 and 869,885.80

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Solution

The fourth proportional to 1,514,340.76, 2,089,792.02 and 869,885.80 is: 1,200,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,340.76 : 2,089,792.02 = 869,885.80 : x
  2. Step 2: Convert to fraction form
    1,514,340.76/2,089,792.02 = 869,885.80/x
  3. Step 3: Cross multiply
    1,514,340.76x = 2,089,792.02 × 869,885.80
  4. Step 4: Simplify right side
    1,514,340.76x = 1,817,880,403,151.32
  5. Step 5: Solve for x
    x = 1,817,880,403,151.32/1,514,340.76
  6. Step 6: Final answer
    x = 1,200,443.42

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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.