Home / 1,685,475.84-2,325,966.48-921,529.40

Finding the Fourth Proportional to 1,685,475.84, 2,325,966.48 and 921,529.40

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Solution

The fourth proportional to 1,685,475.84, 2,325,966.48 and 921,529.40 is: 1,271,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,475.84 : 2,325,966.48 = 921,529.40 : x
  2. Step 2: Convert to fraction form
    1,685,475.84/2,325,966.48 = 921,529.40/x
  3. Step 3: Cross multiply
    1,685,475.84x = 2,325,966.48 × 921,529.40
  4. Step 4: Simplify right side
    1,685,475.84x = 2,143,446,494,734.51
  5. Step 5: Solve for x
    x = 2,143,446,494,734.51/1,685,475.84
  6. Step 6: Final answer
    x = 1,271,715.94

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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.