Home / 1,211,642.48-1,817,482.56-358,800.39

Finding the Fourth Proportional to 1,211,642.48, 1,817,482.56 and 358,800.39

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Solution

The fourth proportional to 1,211,642.48, 1,817,482.56 and 358,800.39 is: 538,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,642.48 : 1,817,482.56 = 358,800.39 : x
  2. Step 2: Convert to fraction form
    1,211,642.48/1,817,482.56 = 358,800.39/x
  3. Step 3: Cross multiply
    1,211,642.48x = 1,817,482.56 × 358,800.39
  4. Step 4: Simplify right side
    1,211,642.48x = 652,113,451,346.20
  5. Step 5: Solve for x
    x = 652,113,451,346.20/1,211,642.48
  6. Step 6: Final answer
    x = 538,206.16

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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.