Home / 1,127,951.40-1,687,973.28-808,455.40

Finding the Fourth Proportional to 1,127,951.40, 1,687,973.28 and 808,455.40

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Solution

The fourth proportional to 1,127,951.40, 1,687,973.28 and 808,455.40 is: 1,209,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,951.40 : 1,687,973.28 = 808,455.40 : x
  2. Step 2: Convert to fraction form
    1,127,951.40/1,687,973.28 = 808,455.40/x
  3. Step 3: Cross multiply
    1,127,951.40x = 1,687,973.28 × 808,455.40
  4. Step 4: Simplify right side
    1,127,951.40x = 1,364,651,113,271.71
  5. Step 5: Solve for x
    x = 1,364,651,113,271.71/1,127,951.40
  6. Step 6: Final answer
    x = 1,209,849.22

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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.