Home / 696,688-1,045,037.12-171,376

Finding the Fourth Proportional to 696,688, 1,045,037.12 and 171,376

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Solution

The fourth proportional to 696,688, 1,045,037.12 and 171,376 is: 257,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,688 : 1,045,037.12 = 171,376 : x
  2. Step 2: Convert to fraction form
    696,688/1,045,037.12 = 171,376/x
  3. Step 3: Cross multiply
    696,688x = 1,045,037.12 × 171,376
  4. Step 4: Simplify right side
    696,688x = 179,094,281,477.12
  5. Step 5: Solve for x
    x = 179,094,281,477.12/696,688
  6. Step 6: Final answer
    x = 257,065.26

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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.