Home / 1,630,403.84-2,445,916.40-657,845.28

Finding the Fourth Proportional to 1,630,403.84, 2,445,916.40 and 657,845.28

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Solution

The fourth proportional to 1,630,403.84, 2,445,916.40 and 657,845.28 is: 986,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,403.84 : 2,445,916.40 = 657,845.28 : x
  2. Step 2: Convert to fraction form
    1,630,403.84/2,445,916.40 = 657,845.28/x
  3. Step 3: Cross multiply
    1,630,403.84x = 2,445,916.40 × 657,845.28
  4. Step 4: Simplify right side
    1,630,403.84x = 1,609,034,559,014.59
  5. Step 5: Solve for x
    x = 1,609,034,559,014.59/1,630,403.84
  6. Step 6: Final answer
    x = 986,893.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.