Home / 1,375,483.95-1,898,130.87-824,510.88

Finding the Fourth Proportional to 1,375,483.95, 1,898,130.87 and 824,510.88

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Solution

The fourth proportional to 1,375,483.95, 1,898,130.87 and 824,510.88 is: 1,137,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,483.95 : 1,898,130.87 = 824,510.88 : x
  2. Step 2: Convert to fraction form
    1,375,483.95/1,898,130.87 = 824,510.88/x
  3. Step 3: Cross multiply
    1,375,483.95x = 1,898,130.87 × 824,510.88
  4. Step 4: Simplify right side
    1,375,483.95x = 1,565,029,553,978.87
  5. Step 5: Solve for x
    x = 1,565,029,553,978.87/1,375,483.95
  6. Step 6: Final answer
    x = 1,137,802.85

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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.