Home / 1,536,985.25-2,305,075.47-457,206.88

Finding the Fourth Proportional to 1,536,985.25, 2,305,075.47 and 457,206.88

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Solution

The fourth proportional to 1,536,985.25, 2,305,075.47 and 457,206.88 is: 685,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,985.25 : 2,305,075.47 = 457,206.88 : x
  2. Step 2: Convert to fraction form
    1,536,985.25/2,305,075.47 = 457,206.88/x
  3. Step 3: Cross multiply
    1,536,985.25x = 2,305,075.47 × 457,206.88
  4. Step 4: Simplify right side
    1,536,985.25x = 1,053,896,363,219.82
  5. Step 5: Solve for x
    x = 1,053,896,363,219.82/1,536,985.25
  6. Step 6: Final answer
    x = 685,690.62

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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.