Home / 1,705,462.58-2,556,844.40-640,386.02

Finding the Fourth Proportional to 1,705,462.58, 2,556,844.40 and 640,386.02

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Solution

The fourth proportional to 1,705,462.58, 2,556,844.40 and 640,386.02 is: 960,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,462.58 : 2,556,844.40 = 640,386.02 : x
  2. Step 2: Convert to fraction form
    1,705,462.58/2,556,844.40 = 640,386.02/x
  3. Step 3: Cross multiply
    1,705,462.58x = 2,556,844.40 × 640,386.02
  4. Step 4: Simplify right side
    1,705,462.58x = 1,637,367,409,075.29
  5. Step 5: Solve for x
    x = 1,637,367,409,075.29/1,705,462.58
  6. Step 6: Final answer
    x = 960,072.32

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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.