Home / 1,007,485.90-1,511,228.85-996,988.30

Finding the Fourth Proportional to 1,007,485.90, 1,511,228.85 and 996,988.30

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Solution

The fourth proportional to 1,007,485.90, 1,511,228.85 and 996,988.30 is: 1,495,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,485.90 : 1,511,228.85 = 996,988.30 : x
  2. Step 2: Convert to fraction form
    1,007,485.90/1,511,228.85 = 996,988.30/x
  3. Step 3: Cross multiply
    1,007,485.90x = 1,511,228.85 × 996,988.30
  4. Step 4: Simplify right side
    1,007,485.90x = 1,506,677,482,072.46
  5. Step 5: Solve for x
    x = 1,506,677,482,072.46/1,007,485.90
  6. Step 6: Final answer
    x = 1,495,482.45

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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.