Home / 1,488,188.16-2,053,688.58-809,124.66

Finding the Fourth Proportional to 1,488,188.16, 2,053,688.58 and 809,124.66

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Solution

The fourth proportional to 1,488,188.16, 2,053,688.58 and 809,124.66 is: 1,116,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,188.16 : 2,053,688.58 = 809,124.66 : x
  2. Step 2: Convert to fraction form
    1,488,188.16/2,053,688.58 = 809,124.66/x
  3. Step 3: Cross multiply
    1,488,188.16x = 2,053,688.58 × 809,124.66
  4. Step 4: Simplify right side
    1,488,188.16x = 1,661,690,074,038.38
  5. Step 5: Solve for x
    x = 1,661,690,074,038.38/1,488,188.16
  6. Step 6: Final answer
    x = 1,116,586.01

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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.