Home / 1,103,501.80-1,655,252.70-472,479.40

Finding the Fourth Proportional to 1,103,501.80, 1,655,252.70 and 472,479.40

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Solution

The fourth proportional to 1,103,501.80, 1,655,252.70 and 472,479.40 is: 708,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,501.80 : 1,655,252.70 = 472,479.40 : x
  2. Step 2: Convert to fraction form
    1,103,501.80/1,655,252.70 = 472,479.40/x
  3. Step 3: Cross multiply
    1,103,501.80x = 1,655,252.70 × 472,479.40
  4. Step 4: Simplify right side
    1,103,501.80x = 782,072,802,544.38
  5. Step 5: Solve for x
    x = 782,072,802,544.38/1,103,501.80
  6. Step 6: Final answer
    x = 708,719.10

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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.