Home / 1,162,206.42-1,603,886.13-645,970.74

Finding the Fourth Proportional to 1,162,206.42, 1,603,886.13 and 645,970.74

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Solution

The fourth proportional to 1,162,206.42, 1,603,886.13 and 645,970.74 is: 891,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,206.42 : 1,603,886.13 = 645,970.74 : x
  2. Step 2: Convert to fraction form
    1,162,206.42/1,603,886.13 = 645,970.74/x
  3. Step 3: Cross multiply
    1,162,206.42x = 1,603,886.13 × 645,970.74
  4. Step 4: Simplify right side
    1,162,206.42x = 1,036,063,510,271.84
  5. Step 5: Solve for x
    x = 1,036,063,510,271.84/1,162,206.42
  6. Step 6: Final answer
    x = 891,462.56

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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.