Home / 1,496,551.40-2,065,207.38-817,490.60

Finding the Fourth Proportional to 1,496,551.40, 2,065,207.38 and 817,490.60

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Solution

The fourth proportional to 1,496,551.40, 2,065,207.38 and 817,490.60 is: 1,128,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,551.40 : 2,065,207.38 = 817,490.60 : x
  2. Step 2: Convert to fraction form
    1,496,551.40/2,065,207.38 = 817,490.60/x
  3. Step 3: Cross multiply
    1,496,551.40x = 2,065,207.38 × 817,490.60
  4. Step 4: Simplify right side
    1,496,551.40x = 1,688,287,620,200.63
  5. Step 5: Solve for x
    x = 1,688,287,620,200.63/1,496,551.40
  6. Step 6: Final answer
    x = 1,128,118.70

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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.