Home / 972,590.40-1,455,386.40-657,662.40

Finding the Fourth Proportional to 972,590.40, 1,455,386.40 and 657,662.40

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Solution

The fourth proportional to 972,590.40, 1,455,386.40 and 657,662.40 is: 984,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,590.40 : 1,455,386.40 = 657,662.40 : x
  2. Step 2: Convert to fraction form
    972,590.40/1,455,386.40 = 657,662.40/x
  3. Step 3: Cross multiply
    972,590.40x = 1,455,386.40 × 657,662.40
  4. Step 4: Simplify right side
    972,590.40x = 957,152,912,751.36
  5. Step 5: Solve for x
    x = 957,152,912,751.36/972,590.40
  6. Step 6: Final answer
    x = 984,127.45

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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.