Home / 1,400,332.64-1,931,680.92-917,676.32

Finding the Fourth Proportional to 1,400,332.64, 1,931,680.92 and 917,676.32

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Solution

The fourth proportional to 1,400,332.64, 1,931,680.92 and 917,676.32 is: 1,265,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,332.64 : 1,931,680.92 = 917,676.32 : x
  2. Step 2: Convert to fraction form
    1,400,332.64/1,931,680.92 = 917,676.32/x
  3. Step 3: Cross multiply
    1,400,332.64x = 1,931,680.92 × 917,676.32
  4. Step 4: Simplify right side
    1,400,332.64x = 1,772,657,838,079.81
  5. Step 5: Solve for x
    x = 1,772,657,838,079.81/1,400,332.64
  6. Step 6: Final answer
    x = 1,265,883.40

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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.