Home / 1,556,538.95-2,335,260.54-645,554.36

Finding the Fourth Proportional to 1,556,538.95, 2,335,260.54 and 645,554.36

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Solution

The fourth proportional to 1,556,538.95, 2,335,260.54 and 645,554.36 is: 968,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,538.95 : 2,335,260.54 = 645,554.36 : x
  2. Step 2: Convert to fraction form
    1,556,538.95/2,335,260.54 = 645,554.36/x
  3. Step 3: Cross multiply
    1,556,538.95x = 2,335,260.54 × 645,554.36
  4. Step 4: Simplify right side
    1,556,538.95x = 1,507,537,613,009.23
  5. Step 5: Solve for x
    x = 1,507,537,613,009.23/1,556,538.95
  6. Step 6: Final answer
    x = 968,519.04

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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.