Home / 1,005,763.69-1,386,004.93-833,931.10

Finding the Fourth Proportional to 1,005,763.69, 1,386,004.93 and 833,931.10

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Solution

The fourth proportional to 1,005,763.69, 1,386,004.93 and 833,931.10 is: 1,149,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,763.69 : 1,386,004.93 = 833,931.10 : x
  2. Step 2: Convert to fraction form
    1,005,763.69/1,386,004.93 = 833,931.10/x
  3. Step 3: Cross multiply
    1,005,763.69x = 1,386,004.93 × 833,931.10
  4. Step 4: Simplify right side
    1,005,763.69x = 1,155,832,615,880.32
  5. Step 5: Solve for x
    x = 1,155,832,615,880.32/1,005,763.69
  6. Step 6: Final answer
    x = 1,149,208.93

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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.