Home / 1,425,834.47-2,139,021.44-572,972.51

Finding the Fourth Proportional to 1,425,834.47, 2,139,021.44 and 572,972.51

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Solution

The fourth proportional to 1,425,834.47, 2,139,021.44 and 572,972.51 is: 859,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,834.47 : 2,139,021.44 = 572,972.51 : x
  2. Step 2: Convert to fraction form
    1,425,834.47/2,139,021.44 = 572,972.51/x
  3. Step 3: Cross multiply
    1,425,834.47x = 2,139,021.44 × 572,972.51
  4. Step 4: Simplify right side
    1,425,834.47x = 1,225,600,483,420.61
  5. Step 5: Solve for x
    x = 1,225,600,483,420.61/1,425,834.47
  6. Step 6: Final answer
    x = 859,567.16

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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.