Home / 1,440,963.90-2,159,113.05-907,530.30

Finding the Fourth Proportional to 1,440,963.90, 2,159,113.05 and 907,530.30

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Solution

The fourth proportional to 1,440,963.90, 2,159,113.05 and 907,530.30 is: 1,359,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,963.90 : 2,159,113.05 = 907,530.30 : x
  2. Step 2: Convert to fraction form
    1,440,963.90/2,159,113.05 = 907,530.30/x
  3. Step 3: Cross multiply
    1,440,963.90x = 2,159,113.05 × 907,530.30
  4. Step 4: Simplify right side
    1,440,963.90x = 1,959,460,514,000.42
  5. Step 5: Solve for x
    x = 1,959,460,514,000.42/1,440,963.90
  6. Step 6: Final answer
    x = 1,359,826.23

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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.