Home / 1,041,840.09-1,570,569.10-972,400.05

Finding the Fourth Proportional to 1,041,840.09, 1,570,569.10 and 972,400.05

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Solution

The fourth proportional to 1,041,840.09, 1,570,569.10 and 972,400.05 is: 1,465,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,840.09 : 1,570,569.10 = 972,400.05 : x
  2. Step 2: Convert to fraction form
    1,041,840.09/1,570,569.10 = 972,400.05/x
  3. Step 3: Cross multiply
    1,041,840.09x = 1,570,569.10 × 972,400.05
  4. Step 4: Simplify right side
    1,041,840.09x = 1,527,221,468,937.45
  5. Step 5: Solve for x
    x = 1,527,221,468,937.45/1,041,840.09
  6. Step 6: Final answer
    x = 1,465,888.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.