Home / 1,908,972-2,863,475.28-579,276

Finding the Fourth Proportional to 1,908,972, 2,863,475.28 and 579,276

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Solution

The fourth proportional to 1,908,972, 2,863,475.28 and 579,276 is: 868,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,972 : 2,863,475.28 = 579,276 : x
  2. Step 2: Convert to fraction form
    1,908,972/2,863,475.28 = 579,276/x
  3. Step 3: Cross multiply
    1,908,972x = 2,863,475.28 × 579,276
  4. Step 4: Simplify right side
    1,908,972x = 1,658,742,506,297.28
  5. Step 5: Solve for x
    x = 1,658,742,506,297.28/1,908,972
  6. Step 6: Final answer
    x = 868,919.24

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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.