Home / 1,533,490.40-2,116,209.69-845,160.77

Finding the Fourth Proportional to 1,533,490.40, 2,116,209.69 and 845,160.77

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Solution

The fourth proportional to 1,533,490.40, 2,116,209.69 and 845,160.77 is: 1,166,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,490.40 : 2,116,209.69 = 845,160.77 : x
  2. Step 2: Convert to fraction form
    1,533,490.40/2,116,209.69 = 845,160.77/x
  3. Step 3: Cross multiply
    1,533,490.40x = 2,116,209.69 × 845,160.77
  4. Step 4: Simplify right side
    1,533,490.40x = 1,788,537,400,500.81
  5. Step 5: Solve for x
    x = 1,788,537,400,500.81/1,533,490.40
  6. Step 6: Final answer
    x = 1,166,317.97

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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.