Home / 1,533,495.07-2,116,136.86-845,164.80

Finding the Fourth Proportional to 1,533,495.07, 2,116,136.86 and 845,164.80

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Solution

The fourth proportional to 1,533,495.07, 2,116,136.86 and 845,164.80 is: 1,166,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,495.07 : 2,116,136.86 = 845,164.80 : x
  2. Step 2: Convert to fraction form
    1,533,495.07/2,116,136.86 = 845,164.80/x
  3. Step 3: Cross multiply
    1,533,495.07x = 2,116,136.86 × 845,164.80
  4. Step 4: Simplify right side
    1,533,495.07x = 1,788,484,386,054.53
  5. Step 5: Solve for x
    x = 1,788,484,386,054.53/1,533,495.07
  6. Step 6: Final answer
    x = 1,166,279.84

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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.