Home / 1,042,064-1,438,048.32-589,345.28

Finding the Fourth Proportional to 1,042,064, 1,438,048.32 and 589,345.28

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Solution

The fourth proportional to 1,042,064, 1,438,048.32 and 589,345.28 is: 813,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,064 : 1,438,048.32 = 589,345.28 : x
  2. Step 2: Convert to fraction form
    1,042,064/1,438,048.32 = 589,345.28/x
  3. Step 3: Cross multiply
    1,042,064x = 1,438,048.32 × 589,345.28
  4. Step 4: Simplify right side
    1,042,064x = 847,506,989,803.93
  5. Step 5: Solve for x
    x = 847,506,989,803.93/1,042,064
  6. Step 6: Final answer
    x = 813,296.49

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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.