Home / 1,423,416-2,135,428.48-524,860.16

Finding the Fourth Proportional to 1,423,416, 2,135,428.48 and 524,860.16

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Solution

The fourth proportional to 1,423,416, 2,135,428.48 and 524,860.16 is: 787,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,416 : 2,135,428.48 = 524,860.16 : x
  2. Step 2: Convert to fraction form
    1,423,416/2,135,428.48 = 524,860.16/x
  3. Step 3: Cross multiply
    1,423,416x = 2,135,428.48 × 524,860.16
  4. Step 4: Simplify right side
    1,423,416x = 1,120,801,333,681.36
  5. Step 5: Solve for x
    x = 1,120,801,333,681.36/1,423,416
  6. Step 6: Final answer
    x = 787,402.51

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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.