Home / 1,312,491.95-1,969,026.94-401,681.42

Finding the Fourth Proportional to 1,312,491.95, 1,969,026.94 and 401,681.42

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Solution

The fourth proportional to 1,312,491.95, 1,969,026.94 and 401,681.42 is: 602,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,491.95 : 1,969,026.94 = 401,681.42 : x
  2. Step 2: Convert to fraction form
    1,312,491.95/1,969,026.94 = 401,681.42/x
  3. Step 3: Cross multiply
    1,312,491.95x = 1,969,026.94 × 401,681.42
  4. Step 4: Simplify right side
    1,312,491.95x = 790,921,527,432.32
  5. Step 5: Solve for x
    x = 790,921,527,432.32/1,312,491.95
  6. Step 6: Final answer
    x = 602,610.58

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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.