Home / 972,035.40-1,458,053.10-912,986.40

Finding the Fourth Proportional to 972,035.40, 1,458,053.10 and 912,986.40

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Solution

The fourth proportional to 972,035.40, 1,458,053.10 and 912,986.40 is: 1,369,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,035.40 : 1,458,053.10 = 912,986.40 : x
  2. Step 2: Convert to fraction form
    972,035.40/1,458,053.10 = 912,986.40/x
  3. Step 3: Cross multiply
    972,035.40x = 1,458,053.10 × 912,986.40
  4. Step 4: Simplify right side
    972,035.40x = 1,331,182,650,777.84
  5. Step 5: Solve for x
    x = 1,331,182,650,777.84/972,035.40
  6. Step 6: Final answer
    x = 1,369,479.60

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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.