Home / 1,547,533.64-2,320,241.58-787,905.11

Finding the Fourth Proportional to 1,547,533.64, 2,320,241.58 and 787,905.11

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Solution

The fourth proportional to 1,547,533.64, 2,320,241.58 and 787,905.11 is: 1,181,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,533.64 : 2,320,241.58 = 787,905.11 : x
  2. Step 2: Convert to fraction form
    1,547,533.64/2,320,241.58 = 787,905.11/x
  3. Step 3: Cross multiply
    1,547,533.64x = 2,320,241.58 × 787,905.11
  4. Step 4: Simplify right side
    1,547,533.64x = 1,828,130,185,715.27
  5. Step 5: Solve for x
    x = 1,828,130,185,715.27/1,547,533.64
  6. Step 6: Final answer
    x = 1,181,318.55

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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.