Home / 1,207,509.10-1,811,263.65-906,359.20

Finding the Fourth Proportional to 1,207,509.10, 1,811,263.65 and 906,359.20

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Solution

The fourth proportional to 1,207,509.10, 1,811,263.65 and 906,359.20 is: 1,359,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,509.10 : 1,811,263.65 = 906,359.20 : x
  2. Step 2: Convert to fraction form
    1,207,509.10/1,811,263.65 = 906,359.20/x
  3. Step 3: Cross multiply
    1,207,509.10x = 1,811,263.65 × 906,359.20
  4. Step 4: Simplify right side
    1,207,509.10x = 1,641,655,472,803.08
  5. Step 5: Solve for x
    x = 1,641,655,472,803.08/1,207,509.10
  6. Step 6: Final answer
    x = 1,359,538.80

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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.