Home / 1,688,082.21-2,329,553.38-924,135.77

Finding the Fourth Proportional to 1,688,082.21, 2,329,553.38 and 924,135.77

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Solution

The fourth proportional to 1,688,082.21, 2,329,553.38 and 924,135.77 is: 1,275,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,082.21 : 2,329,553.38 = 924,135.77 : x
  2. Step 2: Convert to fraction form
    1,688,082.21/2,329,553.38 = 924,135.77/x
  3. Step 3: Cross multiply
    1,688,082.21x = 2,329,553.38 × 924,135.77
  4. Step 4: Simplify right side
    1,688,082.21x = 2,152,823,606,582.40
  5. Step 5: Solve for x
    x = 2,152,823,606,582.40/1,688,082.21
  6. Step 6: Final answer
    x = 1,275,307.32

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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.