Home / 907,545.78-1,249,712.10-887,406.66

Finding the Fourth Proportional to 907,545.78, 1,249,712.10 and 887,406.66

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Solution

The fourth proportional to 907,545.78, 1,249,712.10 and 887,406.66 is: 1,221,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,545.78 : 1,249,712.10 = 887,406.66 : x
  2. Step 2: Convert to fraction form
    907,545.78/1,249,712.10 = 887,406.66/x
  3. Step 3: Cross multiply
    907,545.78x = 1,249,712.10 × 887,406.66
  4. Step 4: Simplify right side
    907,545.78x = 1,109,002,840,622.59
  5. Step 5: Solve for x
    x = 1,109,002,840,622.59/907,545.78
  6. Step 6: Final answer
    x = 1,221,980.05

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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.