Home / 1,535,448.69-2,118,234.02-890,495.37

Finding the Fourth Proportional to 1,535,448.69, 2,118,234.02 and 890,495.37

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Solution

The fourth proportional to 1,535,448.69, 2,118,234.02 and 890,495.37 is: 1,228,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,448.69 : 2,118,234.02 = 890,495.37 : x
  2. Step 2: Convert to fraction form
    1,535,448.69/2,118,234.02 = 890,495.37/x
  3. Step 3: Cross multiply
    1,535,448.69x = 2,118,234.02 × 890,495.37
  4. Step 4: Simplify right side
    1,535,448.69x = 1,886,277,582,934.01
  5. Step 5: Solve for x
    x = 1,886,277,582,934.01/1,535,448.69
  6. Step 6: Final answer
    x = 1,228,486.24

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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.