Home / 989,886.67-1,365,337.93-908,477.34

Finding the Fourth Proportional to 989,886.67, 1,365,337.93 and 908,477.34

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Solution

The fourth proportional to 989,886.67, 1,365,337.93 and 908,477.34 is: 1,253,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,886.67 : 1,365,337.93 = 908,477.34 : x
  2. Step 2: Convert to fraction form
    989,886.67/1,365,337.93 = 908,477.34/x
  3. Step 3: Cross multiply
    989,886.67x = 1,365,337.93 × 908,477.34
  4. Step 4: Simplify right side
    989,886.67x = 1,240,378,570,847.51
  5. Step 5: Solve for x
    x = 1,240,378,570,847.51/989,886.67
  6. Step 6: Final answer
    x = 1,253,051.09

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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.