Home / 1,435,036.08-1,980,352.08-790,458.60

Finding the Fourth Proportional to 1,435,036.08, 1,980,352.08 and 790,458.60

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Solution

The fourth proportional to 1,435,036.08, 1,980,352.08 and 790,458.60 is: 1,090,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,036.08 : 1,980,352.08 = 790,458.60 : x
  2. Step 2: Convert to fraction form
    1,435,036.08/1,980,352.08 = 790,458.60/x
  3. Step 3: Cross multiply
    1,435,036.08x = 1,980,352.08 × 790,458.60
  4. Step 4: Simplify right side
    1,435,036.08x = 1,565,386,332,663.89
  5. Step 5: Solve for x
    x = 1,565,386,332,663.89/1,435,036.08
  6. Step 6: Final answer
    x = 1,090,834.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.