Home / 1,110,072.60-1,665,108.90-578,631.60

Finding the Fourth Proportional to 1,110,072.60, 1,665,108.90 and 578,631.60

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Solution

The fourth proportional to 1,110,072.60, 1,665,108.90 and 578,631.60 is: 867,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,072.60 : 1,665,108.90 = 578,631.60 : x
  2. Step 2: Convert to fraction form
    1,110,072.60/1,665,108.90 = 578,631.60/x
  3. Step 3: Cross multiply
    1,110,072.60x = 1,665,108.90 × 578,631.60
  4. Step 4: Simplify right side
    1,110,072.60x = 963,484,626,981.24
  5. Step 5: Solve for x
    x = 963,484,626,981.24/1,110,072.60
  6. Step 6: Final answer
    x = 867,947.40

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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.