Home / 1,110,427.80-1,665,641.70-478,901.40

Finding the Fourth Proportional to 1,110,427.80, 1,665,641.70 and 478,901.40

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Solution

The fourth proportional to 1,110,427.80, 1,665,641.70 and 478,901.40 is: 718,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,427.80 : 1,665,641.70 = 478,901.40 : x
  2. Step 2: Convert to fraction form
    1,110,427.80/1,665,641.70 = 478,901.40/x
  3. Step 3: Cross multiply
    1,110,427.80x = 1,665,641.70 × 478,901.40
  4. Step 4: Simplify right side
    1,110,427.80x = 797,678,142,028.38
  5. Step 5: Solve for x
    x = 797,678,142,028.38/1,110,427.80
  6. Step 6: Final answer
    x = 718,352.10

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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.