Home / 1,258,672.65-1,888,008.98-360,143.70

Finding the Fourth Proportional to 1,258,672.65, 1,888,008.98 and 360,143.70

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Solution

The fourth proportional to 1,258,672.65, 1,888,008.98 and 360,143.70 is: 540,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,672.65 : 1,888,008.98 = 360,143.70 : x
  2. Step 2: Convert to fraction form
    1,258,672.65/1,888,008.98 = 360,143.70/x
  3. Step 3: Cross multiply
    1,258,672.65x = 1,888,008.98 × 360,143.70
  4. Step 4: Simplify right side
    1,258,672.65x = 679,954,537,889.71
  5. Step 5: Solve for x
    x = 679,954,537,889.71/1,258,672.65
  6. Step 6: Final answer
    x = 540,215.55

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1.5x scale

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.