Home / 1,116,543.02-1,674,180.30-761,986.58

Finding the Fourth Proportional to 1,116,543.02, 1,674,180.30 and 761,986.58

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Solution

The fourth proportional to 1,116,543.02, 1,674,180.30 and 761,986.58 is: 1,142,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,543.02 : 1,674,180.30 = 761,986.58 : x
  2. Step 2: Convert to fraction form
    1,116,543.02/1,674,180.30 = 761,986.58/x
  3. Step 3: Cross multiply
    1,116,543.02x = 1,674,180.30 × 761,986.58
  4. Step 4: Simplify right side
    1,116,543.02x = 1,275,702,921,100.37
  5. Step 5: Solve for x
    x = 1,275,702,921,100.37/1,116,543.02
  6. Step 6: Final answer
    x = 1,142,547.04

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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.