Home / 1,640,292.10-2,460,438.15-458,340.10

Finding the Fourth Proportional to 1,640,292.10, 2,460,438.15 and 458,340.10

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Solution

The fourth proportional to 1,640,292.10, 2,460,438.15 and 458,340.10 is: 687,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,292.10 : 2,460,438.15 = 458,340.10 : x
  2. Step 2: Convert to fraction form
    1,640,292.10/2,460,438.15 = 458,340.10/x
  3. Step 3: Cross multiply
    1,640,292.10x = 2,460,438.15 × 458,340.10
  4. Step 4: Simplify right side
    1,640,292.10x = 1,127,717,467,714.82
  5. Step 5: Solve for x
    x = 1,127,717,467,714.82/1,640,292.10
  6. Step 6: Final answer
    x = 687,510.15

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1.5x scale

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.