Home / 1,478,312.10-2,217,468.15-946,871.10

Finding the Fourth Proportional to 1,478,312.10, 2,217,468.15 and 946,871.10

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Solution

The fourth proportional to 1,478,312.10, 2,217,468.15 and 946,871.10 is: 1,420,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,312.10 : 2,217,468.15 = 946,871.10 : x
  2. Step 2: Convert to fraction form
    1,478,312.10/2,217,468.15 = 946,871.10/x
  3. Step 3: Cross multiply
    1,478,312.10x = 2,217,468.15 × 946,871.10
  4. Step 4: Simplify right side
    1,478,312.10x = 2,099,656,506,405.47
  5. Step 5: Solve for x
    x = 2,099,656,506,405.47/1,478,312.10
  6. Step 6: Final answer
    x = 1,420,306.65

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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.