Home / 1,201,674.38-1,658,312.75-657,810.51

Finding the Fourth Proportional to 1,201,674.38, 1,658,312.75 and 657,810.51

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Solution

The fourth proportional to 1,201,674.38, 1,658,312.75 and 657,810.51 is: 907,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,674.38 : 1,658,312.75 = 657,810.51 : x
  2. Step 2: Convert to fraction form
    1,201,674.38/1,658,312.75 = 657,810.51/x
  3. Step 3: Cross multiply
    1,201,674.38x = 1,658,312.75 × 657,810.51
  4. Step 4: Simplify right side
    1,201,674.38x = 1,090,855,552,527.95
  5. Step 5: Solve for x
    x = 1,090,855,552,527.95/1,201,674.38
  6. Step 6: Final answer
    x = 907,779.65

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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.