Home / 1,125,303.84-1,687,139.28-525,929.76

Finding the Fourth Proportional to 1,125,303.84, 1,687,139.28 and 525,929.76

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Solution

The fourth proportional to 1,125,303.84, 1,687,139.28 and 525,929.76 is: 788,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,303.84 : 1,687,139.28 = 525,929.76 : x
  2. Step 2: Convert to fraction form
    1,125,303.84/1,687,139.28 = 525,929.76/x
  3. Step 3: Cross multiply
    1,125,303.84x = 1,687,139.28 × 525,929.76
  4. Step 4: Simplify right side
    1,125,303.84x = 887,316,756,616.97
  5. Step 5: Solve for x
    x = 887,316,756,616.97/1,125,303.84
  6. Step 6: Final answer
    x = 788,513.04

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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.