Home / 1,640,276.40-2,460,803.40-841,681.20

Finding the Fourth Proportional to 1,640,276.40, 2,460,803.40 and 841,681.20

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Solution

The fourth proportional to 1,640,276.40, 2,460,803.40 and 841,681.20 is: 1,262,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,276.40 : 2,460,803.40 = 841,681.20 : x
  2. Step 2: Convert to fraction form
    1,640,276.40/2,460,803.40 = 841,681.20/x
  3. Step 3: Cross multiply
    1,640,276.40x = 2,460,803.40 × 841,681.20
  4. Step 4: Simplify right side
    1,640,276.40x = 2,071,211,958,676.08
  5. Step 5: Solve for x
    x = 2,071,211,958,676.08/1,640,276.40
  6. Step 6: Final answer
    x = 1,262,721.31

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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.