Home / 1,440,648.72-1,985,798.04-1,134,239.76

Finding the Fourth Proportional to 1,440,648.72, 1,985,798.04 and 1,134,239.76

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Solution

The fourth proportional to 1,440,648.72, 1,985,798.04 and 1,134,239.76 is: 1,563,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,648.72 : 1,985,798.04 = 1,134,239.76 : x
  2. Step 2: Convert to fraction form
    1,440,648.72/1,985,798.04 = 1,134,239.76/x
  3. Step 3: Cross multiply
    1,440,648.72x = 1,985,798.04 × 1,134,239.76
  4. Step 4: Simplify right side
    1,440,648.72x = 2,252,371,092,298.07
  5. Step 5: Solve for x
    x = 2,252,371,092,298.07/1,440,648.72
  6. Step 6: Final answer
    x = 1,563,442.26

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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.