Home / 1,031,420-1,423,384.12-578,744.48

Finding the Fourth Proportional to 1,031,420, 1,423,384.12 and 578,744.48

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Solution

The fourth proportional to 1,031,420, 1,423,384.12 and 578,744.48 is: 798,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,420 : 1,423,384.12 = 578,744.48 : x
  2. Step 2: Convert to fraction form
    1,031,420/1,423,384.12 = 578,744.48/x
  3. Step 3: Cross multiply
    1,031,420x = 1,423,384.12 × 578,744.48
  4. Step 4: Simplify right side
    1,031,420x = 823,775,702,369.66
  5. Step 5: Solve for x
    x = 823,775,702,369.66/1,031,420
  6. Step 6: Final answer
    x = 798,681.14

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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.