Home / 1,220,457.12-1,830,807-452,160.36

Finding the Fourth Proportional to 1,220,457.12, 1,830,807 and 452,160.36

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Solution

The fourth proportional to 1,220,457.12, 1,830,807 and 452,160.36 is: 678,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,457.12 : 1,830,807 = 452,160.36 : x
  2. Step 2: Convert to fraction form
    1,220,457.12/1,830,807 = 452,160.36/x
  3. Step 3: Cross multiply
    1,220,457.12x = 1,830,807 × 452,160.36
  4. Step 4: Simplify right side
    1,220,457.12x = 827,818,352,210.52
  5. Step 5: Solve for x
    x = 827,818,352,210.52/1,220,457.12
  6. Step 6: Final answer
    x = 678,285.49

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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.