Home / 1,316,767.32-1,975,205.86-642,045.02

Finding the Fourth Proportional to 1,316,767.32, 1,975,205.86 and 642,045.02

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Solution

The fourth proportional to 1,316,767.32, 1,975,205.86 and 642,045.02 is: 963,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,767.32 : 1,975,205.86 = 642,045.02 : x
  2. Step 2: Convert to fraction form
    1,316,767.32/1,975,205.86 = 642,045.02/x
  3. Step 3: Cross multiply
    1,316,767.32x = 1,975,205.86 × 642,045.02
  4. Step 4: Simplify right side
    1,316,767.32x = 1,268,171,074,406.68
  5. Step 5: Solve for x
    x = 1,268,171,074,406.68/1,316,767.32
  6. Step 6: Final answer
    x = 963,094.28

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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.