Home / 1,180,397.80-1,774,533.30-1,007,187.40

Finding the Fourth Proportional to 1,180,397.80, 1,774,533.30 and 1,007,187.40

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Solution

The fourth proportional to 1,180,397.80, 1,774,533.30 and 1,007,187.40 is: 1,514,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,397.80 : 1,774,533.30 = 1,007,187.40 : x
  2. Step 2: Convert to fraction form
    1,180,397.80/1,774,533.30 = 1,007,187.40/x
  3. Step 3: Cross multiply
    1,180,397.80x = 1,774,533.30 × 1,007,187.40
  4. Step 4: Simplify right side
    1,180,397.80x = 1,787,287,580,640.42
  5. Step 5: Solve for x
    x = 1,787,287,580,640.42/1,180,397.80
  6. Step 6: Final answer
    x = 1,514,140.05

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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.