Home / 1,125,139.50-1,552,707.09-615,830.94

Finding the Fourth Proportional to 1,125,139.50, 1,552,707.09 and 615,830.94

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Solution

The fourth proportional to 1,125,139.50, 1,552,707.09 and 615,830.94 is: 849,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,139.50 : 1,552,707.09 = 615,830.94 : x
  2. Step 2: Convert to fraction form
    1,125,139.50/1,552,707.09 = 615,830.94/x
  3. Step 3: Cross multiply
    1,125,139.50x = 1,552,707.09 × 615,830.94
  4. Step 4: Simplify right side
    1,125,139.50x = 956,205,066,779.37
  5. Step 5: Solve for x
    x = 956,205,066,779.37/1,125,139.50
  6. Step 6: Final answer
    x = 849,854.68

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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.