Home / 997,011.40-1,495,610.10-772,623.64

Finding the Fourth Proportional to 997,011.40, 1,495,610.10 and 772,623.64

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Solution

The fourth proportional to 997,011.40, 1,495,610.10 and 772,623.64 is: 1,159,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,011.40 : 1,495,610.10 = 772,623.64 : x
  2. Step 2: Convert to fraction form
    997,011.40/1,495,610.10 = 772,623.64/x
  3. Step 3: Cross multiply
    997,011.40x = 1,495,610.10 × 772,623.64
  4. Step 4: Simplify right side
    997,011.40x = 1,155,543,719,482.76
  5. Step 5: Solve for x
    x = 1,155,543,719,482.76/997,011.40
  6. Step 6: Final answer
    x = 1,159,007.53

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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.