Home / 1,393,420.50-2,090,482.02-396,148.50

Finding the Fourth Proportional to 1,393,420.50, 2,090,482.02 and 396,148.50

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Solution

The fourth proportional to 1,393,420.50, 2,090,482.02 and 396,148.50 is: 594,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,420.50 : 2,090,482.02 = 396,148.50 : x
  2. Step 2: Convert to fraction form
    1,393,420.50/2,090,482.02 = 396,148.50/x
  3. Step 3: Cross multiply
    1,393,420.50x = 2,090,482.02 × 396,148.50
  4. Step 4: Simplify right side
    1,393,420.50x = 828,141,316,499.97
  5. Step 5: Solve for x
    x = 828,141,316,499.97/1,393,420.50
  6. Step 6: Final answer
    x = 594,322.62

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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.