Home / 1,500,439.79-2,070,386.52-838,070.06

Finding the Fourth Proportional to 1,500,439.79, 2,070,386.52 and 838,070.06

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Solution

The fourth proportional to 1,500,439.79, 2,070,386.52 and 838,070.06 is: 1,156,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,439.79 : 2,070,386.52 = 838,070.06 : x
  2. Step 2: Convert to fraction form
    1,500,439.79/2,070,386.52 = 838,070.06/x
  3. Step 3: Cross multiply
    1,500,439.79x = 2,070,386.52 × 838,070.06
  4. Step 4: Simplify right side
    1,500,439.79x = 1,735,128,944,687.66
  5. Step 5: Solve for x
    x = 1,735,128,944,687.66/1,500,439.79
  6. Step 6: Final answer
    x = 1,156,413.58

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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.