Home / 1,116,542.02-1,674,178.80-761,985.58

Finding the Fourth Proportional to 1,116,542.02, 1,674,178.80 and 761,985.58

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Solution

The fourth proportional to 1,116,542.02, 1,674,178.80 and 761,985.58 is: 1,142,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,542.02 : 1,674,178.80 = 761,985.58 : x
  2. Step 2: Convert to fraction form
    1,116,542.02/1,674,178.80 = 761,985.58/x
  3. Step 3: Cross multiply
    1,116,542.02x = 1,674,178.80 × 761,985.58
  4. Step 4: Simplify right side
    1,116,542.02x = 1,275,700,103,941.70
  5. Step 5: Solve for x
    x = 1,275,700,103,941.70/1,116,542.02
  6. Step 6: Final answer
    x = 1,142,545.54

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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.