Home / 1,010,070-1,393,925.76-557,390.16

Finding the Fourth Proportional to 1,010,070, 1,393,925.76 and 557,390.16

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Solution

The fourth proportional to 1,010,070, 1,393,925.76 and 557,390.16 is: 769,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,070 : 1,393,925.76 = 557,390.16 : x
  2. Step 2: Convert to fraction form
    1,010,070/1,393,925.76 = 557,390.16/x
  3. Step 3: Cross multiply
    1,010,070x = 1,393,925.76 × 557,390.16
  4. Step 4: Simplify right side
    1,010,070x = 776,960,502,394.52
  5. Step 5: Solve for x
    x = 776,960,502,394.52/1,010,070
  6. Step 6: Final answer
    x = 769,214.51

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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.