Home / 1,657,409.59-2,486,162.45-646,490.71

Finding the Fourth Proportional to 1,657,409.59, 2,486,162.45 and 646,490.71

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Solution

The fourth proportional to 1,657,409.59, 2,486,162.45 and 646,490.71 is: 969,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,409.59 : 2,486,162.45 = 646,490.71 : x
  2. Step 2: Convert to fraction form
    1,657,409.59/2,486,162.45 = 646,490.71/x
  3. Step 3: Cross multiply
    1,657,409.59x = 2,486,162.45 × 646,490.71
  4. Step 4: Simplify right side
    1,657,409.59x = 1,607,280,927,475.84
  5. Step 5: Solve for x
    x = 1,607,280,927,475.84/1,657,409.59
  6. Step 6: Final answer
    x = 969,754.81

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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.