Home / 1,620,005.10-2,430,007.65-498,072.30

Finding the Fourth Proportional to 1,620,005.10, 2,430,007.65 and 498,072.30

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Solution

The fourth proportional to 1,620,005.10, 2,430,007.65 and 498,072.30 is: 747,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,005.10 : 2,430,007.65 = 498,072.30 : x
  2. Step 2: Convert to fraction form
    1,620,005.10/2,430,007.65 = 498,072.30/x
  3. Step 3: Cross multiply
    1,620,005.10x = 2,430,007.65 × 498,072.30
  4. Step 4: Simplify right side
    1,620,005.10x = 1,210,319,499,253.10
  5. Step 5: Solve for x
    x = 1,210,319,499,253.10/1,620,005.10
  6. Step 6: Final answer
    x = 747,108.45

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1.5x scale

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.