Home / 1,321,457.80-1,823,178.02-740,596

Finding the Fourth Proportional to 1,321,457.80, 1,823,178.02 and 740,596

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Solution

The fourth proportional to 1,321,457.80, 1,823,178.02 and 740,596 is: 1,021,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,457.80 : 1,823,178.02 = 740,596 : x
  2. Step 2: Convert to fraction form
    1,321,457.80/1,823,178.02 = 740,596/x
  3. Step 3: Cross multiply
    1,321,457.80x = 1,823,178.02 × 740,596
  4. Step 4: Simplify right side
    1,321,457.80x = 1,350,238,348,899.92
  5. Step 5: Solve for x
    x = 1,350,238,348,899.92/1,321,457.80
  6. Step 6: Final answer
    x = 1,021,779.39

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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.