Home / 1,630,398.85-2,445,908.91-657,840.29

Finding the Fourth Proportional to 1,630,398.85, 2,445,908.91 and 657,840.29

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Solution

The fourth proportional to 1,630,398.85, 2,445,908.91 and 657,840.29 is: 986,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,398.85 : 2,445,908.91 = 657,840.29 : x
  2. Step 2: Convert to fraction form
    1,630,398.85/2,445,908.91 = 657,840.29/x
  3. Step 3: Cross multiply
    1,630,398.85x = 2,445,908.91 × 657,840.29
  4. Step 4: Simplify right side
    1,630,398.85x = 1,609,017,411,971.54
  5. Step 5: Solve for x
    x = 1,609,017,411,971.54/1,630,398.85
  6. Step 6: Final answer
    x = 986,885.76

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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.