Home / 1,130,190-1,559,662.83-620,925.18

Finding the Fourth Proportional to 1,130,190, 1,559,662.83 and 620,925.18

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Solution

The fourth proportional to 1,130,190, 1,559,662.83 and 620,925.18 is: 856,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,190 : 1,559,662.83 = 620,925.18 : x
  2. Step 2: Convert to fraction form
    1,130,190/1,559,662.83 = 620,925.18/x
  3. Step 3: Cross multiply
    1,130,190x = 1,559,662.83 × 620,925.18
  4. Step 4: Simplify right side
    1,130,190x = 968,433,923,457.06
  5. Step 5: Solve for x
    x = 968,433,923,457.06/1,130,190
  6. Step 6: Final answer
    x = 856,877.09

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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.