Home / 1,130,461.08-1,559,945.57-646,915.38

Finding the Fourth Proportional to 1,130,461.08, 1,559,945.57 and 646,915.38

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Solution

The fourth proportional to 1,130,461.08, 1,559,945.57 and 646,915.38 is: 892,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,461.08 : 1,559,945.57 = 646,915.38 : x
  2. Step 2: Convert to fraction form
    1,130,461.08/1,559,945.57 = 646,915.38/x
  3. Step 3: Cross multiply
    1,130,461.08x = 1,559,945.57 × 646,915.38
  4. Step 4: Simplify right side
    1,130,461.08x = 1,009,152,777,961.29
  5. Step 5: Solve for x
    x = 1,009,152,777,961.29/1,130,461.08
  6. Step 6: Final answer
    x = 892,691.31

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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.