Home / 1,688,226.72-2,329,664.40-924,133.92

Finding the Fourth Proportional to 1,688,226.72, 2,329,664.40 and 924,133.92

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Solution

The fourth proportional to 1,688,226.72, 2,329,664.40 and 924,133.92 is: 1,275,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,226.72 : 2,329,664.40 = 924,133.92 : x
  2. Step 2: Convert to fraction form
    1,688,226.72/2,329,664.40 = 924,133.92/x
  3. Step 3: Cross multiply
    1,688,226.72x = 2,329,664.40 × 924,133.92
  4. Step 4: Simplify right side
    1,688,226.72x = 2,152,921,894,256.45
  5. Step 5: Solve for x
    x = 2,152,921,894,256.45/1,688,226.72
  6. Step 6: Final answer
    x = 1,275,256.38

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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.