Home / 1,402,036.80-1,934,823.04-790,072.32

Finding the Fourth Proportional to 1,402,036.80, 1,934,823.04 and 790,072.32

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Solution

The fourth proportional to 1,402,036.80, 1,934,823.04 and 790,072.32 is: 1,090,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,036.80 : 1,934,823.04 = 790,072.32 : x
  2. Step 2: Convert to fraction form
    1,402,036.80/1,934,823.04 = 790,072.32/x
  3. Step 3: Cross multiply
    1,402,036.80x = 1,934,823.04 × 790,072.32
  4. Step 4: Simplify right side
    1,402,036.80x = 1,528,650,128,002.25
  5. Step 5: Solve for x
    x = 1,528,650,128,002.25/1,402,036.80
  6. Step 6: Final answer
    x = 1,090,306.71

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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.