Home / 1,076,012.40-1,609,871.40-702,764.40

Finding the Fourth Proportional to 1,076,012.40, 1,609,871.40 and 702,764.40

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Solution

The fourth proportional to 1,076,012.40, 1,609,871.40 and 702,764.40 is: 1,051,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,012.40 : 1,609,871.40 = 702,764.40 : x
  2. Step 2: Convert to fraction form
    1,076,012.40/1,609,871.40 = 702,764.40/x
  3. Step 3: Cross multiply
    1,076,012.40x = 1,609,871.40 × 702,764.40
  4. Step 4: Simplify right side
    1,076,012.40x = 1,131,360,308,498.16
  5. Step 5: Solve for x
    x = 1,131,360,308,498.16/1,076,012.40
  6. Step 6: Final answer
    x = 1,051,437.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.