Home / 1,315,411.80-1,972,461.60-604,636.80

Finding the Fourth Proportional to 1,315,411.80, 1,972,461.60 and 604,636.80

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Solution

The fourth proportional to 1,315,411.80, 1,972,461.60 and 604,636.80 is: 906,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,411.80 : 1,972,461.60 = 604,636.80 : x
  2. Step 2: Convert to fraction form
    1,315,411.80/1,972,461.60 = 604,636.80/x
  3. Step 3: Cross multiply
    1,315,411.80x = 1,972,461.60 × 604,636.80
  4. Step 4: Simplify right side
    1,315,411.80x = 1,192,622,869,946.88
  5. Step 5: Solve for x
    x = 1,192,622,869,946.88/1,315,411.80
  6. Step 6: Final answer
    x = 906,653.62

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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.